20661296

素因数分解:

$2^4\times {\mathrm{229}}^1\times {\mathrm{5639}}^1$

素因数の和:5876

約数の個数: 20

約数和(自身を含む): 40213200

約数和(自身を除く): 19551904

約数列:

[1, 2, 4, 8, 16, 229, 458, 916, 1832, 3664, 5639, 11278, 22556, 45112, 90224, 1291331, 2582662, 5165324, 10330648, 20661296]

約数ペア:

[(1, 20661296), (2, 10330648), (4, 5165324), (8, 2582662), (16, 1291331), (229, 90224), (458, 45112), (916, 22556), (1832, 11278), (3664, 5639)]