20056793960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:520

約数の個数: 256

約数和(自身を含む): 55041638400

約数和(自身を除く): 34984844440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 83, 92, 115, 140, 157, 161, 166, 184, 230, 239, 280, 314, 322, 332, 415, 460, 478, 581, 628, 644, 664, 785, 805, 830, 920, 956, 1099, 1162, 1195, 1256, 1288, 1570, 1610, 1660, 1673, 1909, 1912, 2198, 2324, 2390, 2905, 3140, 3220, 3320, 3346, 3611, 3818, 4396, 4648, 4780, 5495, 5497, 5810, 6280, 6440, 6692, 7222, 7636, 8365, 8792, 9545, 9560, 10990, 10994, 11620, 13031, 13363, 13384, 14444, 15272, 16730, 18055, 19090, 19837, 21980, 21988, 23240, 25277, 26062, 26726, 27485, 28888, 33460, 36110, 37523, 38180, 38479, 39674, 43960, 43976, 50554, 52124, 53452, 54970, 65155, 66815, 66920, 72220, 75046, 76360, 76958, 79348, 91217, 99185, 101108, 104248, 106904, 109940, 126385, 130310, 133630, 138859, 144440, 150092, 153916, 158696, 182434, 187615, 192395, 198370, 202216, 219880, 252770, 260620, 262661, 267260, 277718, 299713, 300184, 307832, 364868, 375230, 384790, 396740, 456085, 456251, 505540, 521240, 525322, 534520, 555436, 599426, 694295, 729736, 750460, 769580, 793480, 863029, 912170, 912502, 1011080, 1050644, 1110872, 1198852, 1313305, 1388590, 1498565, 1500920, 1539160, 1726058, 1824340, 1825004, 2097991, 2101288, 2281255, 2397704, 2626610, 2777180, 2997130, 3114409, 3193757, 3452116, 3648680, 3650008, 4195982, 4315145, 4562510, 5253220, 5554360, 5994260, 6041203, 6228818, 6387514, 6904232, 8391964, 8630290, 9125020, 10489955, 10506440, 11988520, 12082406, 12457636, 12775028, 15572045, 15968785, 16783928, 17260580, 18250040, 20979910, 21800863, 24164812, 24915272, 25550056, 30206015, 31144090, 31937570, 34521160, 41959820, 43601726, 48329624, 60412030, 62288180, 63875140, 71631407, 83919640, 87203452, 109004315, 120824060, 124576360, 127750280, 143262814, 174406904, 218008630, 241648120, 286525628, 358157035, 436017260, 501419849, 573051256, 716314070, 872034520, 1002839698, 1432628140, 2005679396, 2507099245, 2865256280, 4011358792, 5014198490, 10028396980, 20056793960]

約数ペア:

[(1, 20056793960), (2, 10028396980), (4, 5014198490), (5, 4011358792), (7, 2865256280), (8, 2507099245), (10, 2005679396), (14, 1432628140), (20, 1002839698), (23, 872034520), (28, 716314070), (35, 573051256), (40, 501419849), (46, 436017260), (56, 358157035), (70, 286525628), (83, 241648120), (92, 218008630), (115, 174406904), (140, 143262814), (157, 127750280), (161, 124576360), (166, 120824060), (184, 109004315), (230, 87203452), (239, 83919640), (280, 71631407), (314, 63875140), (322, 62288180), (332, 60412030), (415, 48329624), (460, 43601726), (478, 41959820), (581, 34521160), (628, 31937570), (644, 31144090), (664, 30206015), (785, 25550056), (805, 24915272), (830, 24164812), (920, 21800863), (956, 20979910), (1099, 18250040), (1162, 17260580), (1195, 16783928), (1256, 15968785), (1288, 15572045), (1570, 12775028), (1610, 12457636), (1660, 12082406), (1673, 11988520), (1909, 10506440), (1912, 10489955), (2198, 9125020), (2324, 8630290), (2390, 8391964), (2905, 6904232), (3140, 6387514), (3220, 6228818), (3320, 6041203), (3346, 5994260), (3611, 5554360), (3818, 5253220), (4396, 4562510), (4648, 4315145), (4780, 4195982), (5495, 3650008), (5497, 3648680), (5810, 3452116), (6280, 3193757), (6440, 3114409), (6692, 2997130), (7222, 2777180), (7636, 2626610), (8365, 2397704), (8792, 2281255), (9545, 2101288), (9560, 2097991), (10990, 1825004), (10994, 1824340), (11620, 1726058), (13031, 1539160), (13363, 1500920), (13384, 1498565), (14444, 1388590), (15272, 1313305), (16730, 1198852), (18055, 1110872), (19090, 1050644), (19837, 1011080), (21980, 912502), (21988, 912170), (23240, 863029), (25277, 793480), (26062, 769580), (26726, 750460), (27485, 729736), (28888, 694295), (33460, 599426), (36110, 555436), (37523, 534520), (38180, 525322), (38479, 521240), (39674, 505540), (43960, 456251), (43976, 456085), (50554, 396740), (52124, 384790), (53452, 375230), (54970, 364868), (65155, 307832), (66815, 300184), (66920, 299713), (72220, 277718), (75046, 267260), (76360, 262661), (76958, 260620), (79348, 252770), (91217, 219880), (99185, 202216), (101108, 198370), (104248, 192395), (106904, 187615), (109940, 182434), (126385, 158696), (130310, 153916), (133630, 150092), (138859, 144440)]