20745556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{13757}}^1$

素因数の和:13803

約数の個数: 24

約数和(自身を含む): 40448520

約数和(自身を除く): 19702964

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 13757, 27514, 55028, 178841, 357682, 398953, 715364, 797906, 1595812, 5186389, 10372778, 20745556]

約数ペア:

[(1, 20745556), (2, 10372778), (4, 5186389), (13, 1595812), (26, 797906), (29, 715364), (52, 398953), (58, 357682), (116, 178841), (377, 55028), (754, 27514), (1508, 13757)]