20947652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{25057}}^1$

素因数の和:25091

約数の個数: 24

約数和(自身を含む): 42097440

約数和(自身を除く): 21149788

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 25057, 50114, 100228, 275627, 476083, 551254, 952166, 1102508, 1904332, 5236913, 10473826, 20947652]

約数ペア:

[(1, 20947652), (2, 10473826), (4, 5236913), (11, 1904332), (19, 1102508), (22, 952166), (38, 551254), (44, 476083), (76, 275627), (209, 100228), (418, 50114), (836, 25057)]