20176484405

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{89891}}^1$

素因数の和:89978

約数の個数: 48

約数和(自身を含む): 30989008512

約数和(自身を除く): 10812524107

約数列:

[1, 5, 7, 11, 35, 53, 55, 77, 121, 265, 371, 385, 583, 605, 847, 1855, 2915, 4081, 4235, 6413, 20405, 32065, 44891, 89891, 224455, 449455, 629237, 988801, 3146185, 4764223, 4944005, 6921607, 10876811, 23821115, 33349561, 34608035, 52406453, 54384055, 76137677, 166747805, 262032265, 366845171, 380688385, 576470983, 1834225855, 2882354915, 4035296881, 20176484405]

約数ペア:

[(1, 20176484405), (5, 4035296881), (7, 2882354915), (11, 1834225855), (35, 576470983), (53, 380688385), (55, 366845171), (77, 262032265), (121, 166747805), (265, 76137677), (371, 54384055), (385, 52406453), (583, 34608035), (605, 33349561), (847, 23821115), (1855, 10876811), (2915, 6921607), (4081, 4944005), (4235, 4764223), (6413, 3146185), (20405, 988801), (32065, 629237), (44891, 449455), (89891, 224455)]