20131568639

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2251}}^1\times {\mathrm{4273}}^1$

素因数の和:6567

約数の個数: 32

約数和(自身を含む): 25872129024

約数和(自身を除く): 5740560385

約数列:

[1, 7, 13, 23, 91, 161, 299, 2093, 2251, 4273, 15757, 29263, 29911, 51773, 55549, 98279, 204841, 362411, 388843, 673049, 687953, 1277627, 4711343, 8943389, 9618523, 67329661, 125040799, 221226029, 875285593, 1548582203, 2875938377, 20131568639]

約数ペア:

[(1, 20131568639), (7, 2875938377), (13, 1548582203), (23, 875285593), (91, 221226029), (161, 125040799), (299, 67329661), (2093, 9618523), (2251, 8943389), (4273, 4711343), (15757, 1277627), (29263, 687953), (29911, 673049), (51773, 388843), (55549, 362411), (98279, 204841)]