20214425

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10501}}^1$

素因数の和:10529

約数の個数: 24

約数和(自身を含む): 31253952

約数和(自身を除く): 11039527

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 10501, 52505, 73507, 115511, 262525, 367535, 577555, 808577, 1837675, 2887775, 4042885, 20214425]

約数ペア:

[(1, 20214425), (5, 4042885), (7, 2887775), (11, 1837675), (25, 808577), (35, 577555), (55, 367535), (77, 262525), (175, 115511), (275, 73507), (385, 52505), (1925, 10501)]