20442436

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17807}}^1$

素因数の和:17859

約数の個数: 24

約数和(自身を含む): 41884416

約数和(自身を除く): 21441980

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17807, 35614, 71228, 124649, 249298, 498596, 730087, 1460174, 2920348, 5110609, 10221218, 20442436]

約数ペア:

[(1, 20442436), (2, 10221218), (4, 5110609), (7, 2920348), (14, 1460174), (28, 730087), (41, 498596), (82, 249298), (164, 124649), (287, 71228), (574, 35614), (1148, 17807)]