20125909544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{264731}}^1$

素因数の和:264810

約数の個数: 64

約数和(自身を含む): 44030226240

約数和(自身を除く): 23904316696

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 43, 52, 68, 86, 104, 136, 172, 221, 344, 442, 559, 731, 884, 1118, 1462, 1768, 2236, 2924, 4472, 5848, 9503, 19006, 38012, 76024, 264731, 529462, 1058924, 2117848, 3441503, 4500427, 6883006, 9000854, 11383433, 13766012, 18001708, 22766866, 27532024, 36003416, 45533732, 58505551, 91067464, 117011102, 147984629, 193518361, 234022204, 295969258, 387036722, 468044408, 591938516, 774073444, 1183877032, 1548146888, 2515738693, 5031477386, 10062954772, 20125909544]

約数ペア:

[(1, 20125909544), (2, 10062954772), (4, 5031477386), (8, 2515738693), (13, 1548146888), (17, 1183877032), (26, 774073444), (34, 591938516), (43, 468044408), (52, 387036722), (68, 295969258), (86, 234022204), (104, 193518361), (136, 147984629), (172, 117011102), (221, 91067464), (344, 58505551), (442, 45533732), (559, 36003416), (731, 27532024), (884, 22766866), (1118, 18001708), (1462, 13766012), (1768, 11383433), (2236, 9000854), (2924, 6883006), (4472, 4500427), (5848, 3441503), (9503, 2117848), (19006, 1058924), (38012, 529462), (76024, 264731)]