20739968340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{77521}}^1$

素因数の和:77567

約数の個数: 192

約数和(自身を含む): 72932697600

約数和(自身を除く): 52192729260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 343, 364, 390, 420, 455, 490, 546, 588, 637, 686, 735, 780, 910, 980, 1029, 1092, 1274, 1365, 1372, 1470, 1715, 1820, 1911, 2058, 2548, 2730, 2940, 3185, 3430, 3822, 4116, 4459, 5145, 5460, 6370, 6860, 7644, 8918, 9555, 10290, 12740, 13377, 17836, 19110, 20580, 22295, 26754, 38220, 44590, 53508, 66885, 77521, 89180, 133770, 155042, 232563, 267540, 310084, 387605, 465126, 542647, 775210, 930252, 1007773, 1085294, 1162815, 1550420, 1627941, 2015546, 2170588, 2325630, 2713235, 3023319, 3255882, 3798529, 4031092, 4651260, 5038865, 5426470, 6046638, 6511764, 7054411, 7597058, 8139705, 10077730, 10852940, 11395587, 12093276, 14108822, 15116595, 15194116, 16279410, 18992645, 20155460, 21163233, 22791174, 26589703, 28217644, 30233190, 32558820, 35272055, 37985290, 42326466, 45582348, 49380877, 53179406, 56977935, 60466380, 70544110, 75970580, 79769109, 84652932, 98761754, 105816165, 106358812, 113955870, 132948515, 141088220, 148142631, 159538218, 197523508, 211632330, 227911740, 246904385, 265897030, 296285262, 319076436, 345666139, 398845545, 423264660, 493808770, 531794060, 592570524, 691332278, 740713155, 797691090, 987617540, 1036998417, 1382664556, 1481426310, 1595382180, 1728330695, 2073996834, 2962852620, 3456661390, 4147993668, 5184992085, 6913322780, 10369984170, 20739968340]

約数ペア:

[(1, 20739968340), (2, 10369984170), (3, 6913322780), (4, 5184992085), (5, 4147993668), (6, 3456661390), (7, 2962852620), (10, 2073996834), (12, 1728330695), (13, 1595382180), (14, 1481426310), (15, 1382664556), (20, 1036998417), (21, 987617540), (26, 797691090), (28, 740713155), (30, 691332278), (35, 592570524), (39, 531794060), (42, 493808770), (49, 423264660), (52, 398845545), (60, 345666139), (65, 319076436), (70, 296285262), (78, 265897030), (84, 246904385), (91, 227911740), (98, 211632330), (105, 197523508), (130, 159538218), (140, 148142631), (147, 141088220), (156, 132948515), (182, 113955870), (195, 106358812), (196, 105816165), (210, 98761754), (245, 84652932), (260, 79769109), (273, 75970580), (294, 70544110), (343, 60466380), (364, 56977935), (390, 53179406), (420, 49380877), (455, 45582348), (490, 42326466), (546, 37985290), (588, 35272055), (637, 32558820), (686, 30233190), (735, 28217644), (780, 26589703), (910, 22791174), (980, 21163233), (1029, 20155460), (1092, 18992645), (1274, 16279410), (1365, 15194116), (1372, 15116595), (1470, 14108822), (1715, 12093276), (1820, 11395587), (1911, 10852940), (2058, 10077730), (2548, 8139705), (2730, 7597058), (2940, 7054411), (3185, 6511764), (3430, 6046638), (3822, 5426470), (4116, 5038865), (4459, 4651260), (5145, 4031092), (5460, 3798529), (6370, 3255882), (6860, 3023319), (7644, 2713235), (8918, 2325630), (9555, 2170588), (10290, 2015546), (12740, 1627941), (13377, 1550420), (17836, 1162815), (19110, 1085294), (20580, 1007773), (22295, 930252), (26754, 775210), (38220, 542647), (44590, 465126), (53508, 387605), (66885, 310084), (77521, 267540), (89180, 232563), (133770, 155042)]