20421403

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{353}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 22480416

約数和(自身を除く): 2059013

約数列:

[1, 17, 41, 83, 353, 697, 1411, 3403, 6001, 14473, 29299, 57851, 246041, 498083, 1201259, 20421403]

約数ペア:

[(1, 20421403), (17, 1201259), (41, 498083), (83, 246041), (353, 57851), (697, 29299), (1411, 14473), (3403, 6001)]