20642528

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{20809}}^1$

素因数の和:20850

約数の個数: 24

約数和(自身を含む): 41952960

約数和(自身を除く): 21310432

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 124, 248, 496, 992, 20809, 41618, 83236, 166472, 332944, 645079, 665888, 1290158, 2580316, 5160632, 10321264, 20642528]

約数ペア:

[(1, 20642528), (2, 10321264), (4, 5160632), (8, 2580316), (16, 1290158), (31, 665888), (32, 645079), (62, 332944), (124, 166472), (248, 83236), (496, 41618), (992, 20809)]