20185522565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{659}}^1\times {\mathrm{1187}}^1$

素因数の和:2261

約数の個数: 32

約数和(自身を含む): 26213362560

約数和(自身を除く): 6027839995

約数列:

[1, 5, 13, 65, 397, 659, 1187, 1985, 3295, 5161, 5935, 8567, 15431, 25805, 42835, 77155, 261623, 471239, 782233, 1308115, 2356195, 3401099, 3911165, 6126107, 10169029, 17005495, 30630535, 50845145, 310546501, 1552732505, 4037104513, 20185522565]

約数ペア:

[(1, 20185522565), (5, 4037104513), (13, 1552732505), (65, 310546501), (397, 50845145), (659, 30630535), (1187, 17005495), (1985, 10169029), (3295, 6126107), (5161, 3911165), (5935, 3401099), (8567, 2356195), (15431, 1308115), (25805, 782233), (42835, 471239), (77155, 261623)]