20021355

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7541}}^1$

素因数の和:7611

約数の個数: 24

約数和(自身を含む): 35296560

約数和(自身を除く): 15275205

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 2655, 7541, 22623, 37705, 67869, 113115, 339345, 444919, 1334757, 2224595, 4004271, 6673785, 20021355]

約数ペア:

[(1, 20021355), (3, 6673785), (5, 4004271), (9, 2224595), (15, 1334757), (45, 444919), (59, 339345), (177, 113115), (295, 67869), (531, 37705), (885, 22623), (2655, 7541)]