201477620

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{15667}}^1$

素因数の和:16319

約数の個数: 24

約数和(自身を含む): 423788064

約数和(自身を除く): 222310444

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2572, 3215, 6430, 12860, 15667, 31334, 62668, 78335, 156670, 313340, 10073881, 20147762, 40295524, 50369405, 100738810, 201477620]

約数ペア:

[(1, 201477620), (2, 100738810), (4, 50369405), (5, 40295524), (10, 20147762), (20, 10073881), (643, 313340), (1286, 156670), (2572, 78335), (3215, 62668), (6430, 31334), (12860, 15667)]