20210950

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9859}}^1$

素因数の和:9912

約数の個数: 24

約数和(自身を含む): 38513160

約数和(自身を除く): 18302210

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 9859, 19718, 49295, 98590, 246475, 404219, 492950, 808438, 2021095, 4042190, 10105475, 20210950]

約数ペア:

[(1, 20210950), (2, 10105475), (5, 4042190), (10, 2021095), (25, 808438), (41, 492950), (50, 404219), (82, 246475), (205, 98590), (410, 49295), (1025, 19718), (2050, 9859)]