20158266428

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{421}}^1\times {\mathrm{163979}}^1$

素因数の和:164477

約数の個数: 24

約数和(自身を含む): 35845372080

約数和(自身を除く): 15687105652

約数列:

[1, 2, 4, 73, 146, 292, 421, 842, 1684, 30733, 61466, 122932, 163979, 327958, 655916, 11970467, 23940934, 47881868, 69035159, 138070318, 276140636, 5039566607, 10079133214, 20158266428]

約数ペア:

[(1, 20158266428), (2, 10079133214), (4, 5039566607), (73, 276140636), (146, 138070318), (292, 69035159), (421, 47881868), (842, 23940934), (1684, 11970467), (30733, 655916), (61466, 327958), (122932, 163979)]