20638188

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{18493}}^1$

素因数の和:18534

約数の個数: 36

約数和(自身を含む): 53854528

約数和(自身を除く): 33216340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 372, 558, 1116, 18493, 36986, 55479, 73972, 110958, 166437, 221916, 332874, 573283, 665748, 1146566, 1719849, 2293132, 3439698, 5159547, 6879396, 10319094, 20638188]

約数ペア:

[(1, 20638188), (2, 10319094), (3, 6879396), (4, 5159547), (6, 3439698), (9, 2293132), (12, 1719849), (18, 1146566), (31, 665748), (36, 573283), (62, 332874), (93, 221916), (124, 166437), (186, 110958), (279, 73972), (372, 55479), (558, 36986), (1116, 18493)]