20788070

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 39160800

約数和(自身を除く): 18372730

約数列:

[1, 2, 5, 10, 29, 58, 97, 145, 194, 290, 485, 739, 970, 1478, 2813, 3695, 5626, 7390, 14065, 21431, 28130, 42862, 71683, 107155, 143366, 214310, 358415, 716830, 2078807, 4157614, 10394035, 20788070]

約数ペア:

[(1, 20788070), (2, 10394035), (5, 4157614), (10, 2078807), (29, 716830), (58, 358415), (97, 214310), (145, 143366), (194, 107155), (290, 71683), (485, 42862), (739, 28130), (970, 21431), (1478, 14065), (2813, 7390), (3695, 5626)]