20219588

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{821}}^1$

素因数の和:1003

約数の個数: 24

約数和(自身を含む): 36457344

約数和(自身を除く): 16237756

約数列:

[1, 2, 4, 47, 94, 131, 188, 262, 524, 821, 1642, 3284, 6157, 12314, 24628, 38587, 77174, 107551, 154348, 215102, 430204, 5054897, 10109794, 20219588]

約数ペア:

[(1, 20219588), (2, 10109794), (4, 5054897), (47, 430204), (94, 215102), (131, 154348), (188, 107551), (262, 77174), (524, 38587), (821, 24628), (1642, 12314), (3284, 6157)]