20785192

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{1361}}^1$

素因数の和:1473

約数の個数: 32

約数和(自身を含む): 41186880

約数和(自身を除く): 20401688

約数列:

[1, 2, 4, 8, 23, 46, 83, 92, 166, 184, 332, 664, 1361, 1909, 2722, 3818, 5444, 7636, 10888, 15272, 31303, 62606, 112963, 125212, 225926, 250424, 451852, 903704, 2598149, 5196298, 10392596, 20785192]

約数ペア:

[(1, 20785192), (2, 10392596), (4, 5196298), (8, 2598149), (23, 903704), (46, 451852), (83, 250424), (92, 225926), (166, 125212), (184, 112963), (332, 62606), (664, 31303), (1361, 15272), (1909, 10888), (2722, 7636), (3818, 5444)]