20215243778

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2488949}}^1$

素因数の和:2489113

約数の個数: 16

約数和(自身を含む): 31539974400

約数和(自身を除く): 11324730622

約数列:

[1, 2, 31, 62, 131, 262, 4061, 8122, 2488949, 4977898, 77157419, 154314838, 326052319, 652104638, 10107621889, 20215243778]

約数ペア:

[(1, 20215243778), (2, 10107621889), (31, 652104638), (62, 326052319), (131, 154314838), (262, 77157419), (4061, 4977898), (8122, 2488949)]