20215499516

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{7001}}^1\times {\mathrm{8111}}^1$

素因数の和:15205

約数の個数: 24

約数和(自身を含む): 35784141120

約数和(自身を除く): 15568641604

約数列:

[1, 2, 4, 89, 178, 356, 7001, 8111, 14002, 16222, 28004, 32444, 623089, 721879, 1246178, 1443758, 2492356, 2887516, 56785111, 113570222, 227140444, 5053874879, 10107749758, 20215499516]

約数ペア:

[(1, 20215499516), (2, 10107749758), (4, 5053874879), (89, 227140444), (178, 113570222), (356, 56785111), (7001, 2887516), (8111, 2492356), (14002, 1443758), (16222, 1246178), (28004, 721879), (32444, 623089)]