20567864

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 39468000

約数和(自身を除く): 18900136

約数列:

[1, 2, 4, 8, 103, 109, 206, 218, 229, 412, 436, 458, 824, 872, 916, 1832, 11227, 22454, 23587, 24961, 44908, 47174, 49922, 89816, 94348, 99844, 188696, 199688, 2570983, 5141966, 10283932, 20567864]

約数ペア:

[(1, 20567864), (2, 10283932), (4, 5141966), (8, 2570983), (103, 199688), (109, 188696), (206, 99844), (218, 94348), (229, 89816), (412, 49922), (436, 47174), (458, 44908), (824, 24961), (872, 23587), (916, 22454), (1832, 11227)]