20665212

素因数分解:

$2^2\times 3^1\times {\mathrm{67}}^1\times {\mathrm{25703}}^1$

素因数の和:25777

約数の個数: 24

約数和(自身を含む): 48940416

約数和(自身を除く): 28275204

約数列:

[1, 2, 3, 4, 6, 12, 67, 134, 201, 268, 402, 804, 25703, 51406, 77109, 102812, 154218, 308436, 1722101, 3444202, 5166303, 6888404, 10332606, 20665212]

約数ペア:

[(1, 20665212), (2, 10332606), (3, 6888404), (4, 5166303), (6, 3444202), (12, 1722101), (67, 308436), (134, 154218), (201, 102812), (268, 77109), (402, 51406), (804, 25703)]