20123064730

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{22171}}^1$

素因数の和:22495

約数の個数: 64

約数和(自身を含む): 40516225920

約数和(自身を除く): 20393161190

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 281, 323, 562, 646, 1405, 1615, 2810, 3230, 4777, 5339, 9554, 10678, 22171, 23885, 26695, 44342, 47770, 53390, 90763, 110855, 181526, 221710, 376907, 421249, 453815, 753814, 842498, 907630, 1884535, 2106245, 3769070, 4212490, 6230051, 7161233, 12460102, 14322466, 31150255, 35806165, 62300510, 71612330, 105910867, 118370969, 211821734, 236741938, 529554335, 591854845, 1059108670, 1183709690, 2012306473, 4024612946, 10061532365, 20123064730]

約数ペア:

[(1, 20123064730), (2, 10061532365), (5, 4024612946), (10, 2012306473), (17, 1183709690), (19, 1059108670), (34, 591854845), (38, 529554335), (85, 236741938), (95, 211821734), (170, 118370969), (190, 105910867), (281, 71612330), (323, 62300510), (562, 35806165), (646, 31150255), (1405, 14322466), (1615, 12460102), (2810, 7161233), (3230, 6230051), (4777, 4212490), (5339, 3769070), (9554, 2106245), (10678, 1884535), (22171, 907630), (23885, 842498), (26695, 753814), (44342, 453815), (47770, 421249), (53390, 376907), (90763, 221710), (110855, 181526)]