20932551

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 31200000

約数和(自身を除く): 10267449

約数列:

[1, 3, 9, 59, 79, 177, 237, 499, 531, 711, 1497, 4491, 4661, 13983, 29441, 39421, 41949, 88323, 118263, 264969, 354789, 2325839, 6977517, 20932551]

約数ペア:

[(1, 20932551), (3, 6977517), (9, 2325839), (59, 354789), (79, 264969), (177, 118263), (237, 88323), (499, 41949), (531, 39421), (711, 29441), (1497, 13983), (4491, 4661)]