20159569820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2673683}}^1$

素因数の和:2673734

約数の個数: 48

約数和(自身を含む): 47163785760

約数和(自身を除く): 27004215940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 7540, 2673683, 5347366, 10694732, 13368415, 26736830, 34757879, 53473660, 69515758, 77536807, 139031516, 155073614, 173789395, 310147228, 347578790, 387684035, 695157580, 775368070, 1007978491, 1550736140, 2015956982, 4031913964, 5039892455, 10079784910, 20159569820]

約数ペア:

[(1, 20159569820), (2, 10079784910), (4, 5039892455), (5, 4031913964), (10, 2015956982), (13, 1550736140), (20, 1007978491), (26, 775368070), (29, 695157580), (52, 387684035), (58, 347578790), (65, 310147228), (116, 173789395), (130, 155073614), (145, 139031516), (260, 77536807), (290, 69515758), (377, 53473660), (580, 34757879), (754, 26736830), (1508, 13368415), (1885, 10694732), (3770, 5347366), (7540, 2673683)]