20212675

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6079}}^1$

素因数の和:6115

約数の個数: 24

約数和(自身を含む): 30156800

約数和(自身を除く): 9944125

約数列:

[1, 5, 7, 19, 25, 35, 95, 133, 175, 475, 665, 3325, 6079, 30395, 42553, 115501, 151975, 212765, 577505, 808507, 1063825, 2887525, 4042535, 20212675]

約数ペア:

[(1, 20212675), (5, 4042535), (7, 2887525), (19, 1063825), (25, 808507), (35, 577505), (95, 212765), (133, 151975), (175, 115501), (475, 42553), (665, 30395), (3325, 6079)]