20048165

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{613}}^1$

素因数の和:860

約数の個数: 16

約数和(自身を含む): 24992256

約数和(自身を除く): 4944091

約数列:

[1, 5, 31, 155, 211, 613, 1055, 3065, 6541, 19003, 32705, 95015, 129343, 646715, 4009633, 20048165]

約数ペア:

[(1, 20048165), (5, 4009633), (31, 646715), (155, 129343), (211, 95015), (613, 32705), (1055, 19003), (3065, 6541)]