20445235

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 26554176

約数和(自身を除く): 6108941

約数列:

[1, 5, 19, 47, 95, 235, 241, 361, 893, 1205, 1805, 4465, 4579, 11327, 16967, 22895, 56635, 84835, 87001, 215213, 435005, 1076065, 4089047, 20445235]

約数ペア:

[(1, 20445235), (5, 4089047), (19, 1076065), (47, 435005), (95, 215213), (235, 87001), (241, 84835), (361, 56635), (893, 22895), (1205, 16967), (1805, 11327), (4465, 4579)]