20145403300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{19421}}^1$

素因数の和:19510

約数の個数: 144

約数和(自身を含む): 50979487104

約数和(自身を除く): 30834083804

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 25, 41, 44, 46, 50, 55, 82, 92, 100, 110, 115, 164, 205, 220, 230, 253, 275, 410, 451, 460, 506, 550, 575, 820, 902, 943, 1012, 1025, 1100, 1150, 1265, 1804, 1886, 2050, 2255, 2300, 2530, 3772, 4100, 4510, 4715, 5060, 6325, 9020, 9430, 10373, 11275, 12650, 18860, 19421, 20746, 22550, 23575, 25300, 38842, 41492, 45100, 47150, 51865, 77684, 94300, 97105, 103730, 194210, 207460, 213631, 259325, 388420, 427262, 446683, 485525, 518650, 796261, 854524, 893366, 971050, 1037300, 1068155, 1592522, 1786732, 1942100, 2136310, 2233415, 3185044, 3981305, 4272620, 4466830, 4913513, 5340775, 7962610, 8758871, 8933660, 9827026, 10681550, 11167075, 15925220, 17517742, 18314003, 19654052, 19906525, 21363100, 22334150, 24567565, 35035484, 36628006, 39813050, 43794355, 44668300, 49135130, 73256012, 79626100, 87588710, 91570015, 98270260, 122837825, 175177420, 183140030, 201454033, 218971775, 245675650, 366280060, 402908066, 437943550, 457850075, 491351300, 805816132, 875887100, 915700150, 1007270165, 1831400300, 2014540330, 4029080660, 5036350825, 10072701650, 20145403300]

約数ペア:

[(1, 20145403300), (2, 10072701650), (4, 5036350825), (5, 4029080660), (10, 2014540330), (11, 1831400300), (20, 1007270165), (22, 915700150), (23, 875887100), (25, 805816132), (41, 491351300), (44, 457850075), (46, 437943550), (50, 402908066), (55, 366280060), (82, 245675650), (92, 218971775), (100, 201454033), (110, 183140030), (115, 175177420), (164, 122837825), (205, 98270260), (220, 91570015), (230, 87588710), (253, 79626100), (275, 73256012), (410, 49135130), (451, 44668300), (460, 43794355), (506, 39813050), (550, 36628006), (575, 35035484), (820, 24567565), (902, 22334150), (943, 21363100), (1012, 19906525), (1025, 19654052), (1100, 18314003), (1150, 17517742), (1265, 15925220), (1804, 11167075), (1886, 10681550), (2050, 9827026), (2255, 8933660), (2300, 8758871), (2530, 7962610), (3772, 5340775), (4100, 4913513), (4510, 4466830), (4715, 4272620), (5060, 3981305), (6325, 3185044), (9020, 2233415), (9430, 2136310), (10373, 1942100), (11275, 1786732), (12650, 1592522), (18860, 1068155), (19421, 1037300), (20746, 971050), (22550, 893366), (23575, 854524), (25300, 796261), (38842, 518650), (41492, 485525), (45100, 446683), (47150, 427262), (51865, 388420), (77684, 259325), (94300, 213631), (97105, 207460), (103730, 194210)]