20165935100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{3305891}}^1$

素因数の和:3305966

約数の個数: 36

約数和(自身を含む): 44477470968

約数和(自身を除く): 24311535868

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 3305891, 6611782, 13223564, 16529455, 33058910, 66117820, 82647275, 165294550, 201659351, 330589100, 403318702, 806637404, 1008296755, 2016593510, 4033187020, 5041483775, 10082967550, 20165935100]

約数ペア:

[(1, 20165935100), (2, 10082967550), (4, 5041483775), (5, 4033187020), (10, 2016593510), (20, 1008296755), (25, 806637404), (50, 403318702), (61, 330589100), (100, 201659351), (122, 165294550), (244, 82647275), (305, 66117820), (610, 33058910), (1220, 16529455), (1525, 13223564), (3050, 6611782), (6100, 3305891)]