20794468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{977}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 38693592

約数和(自身を除く): 17899124

約数列:

[1, 2, 4, 17, 34, 68, 313, 626, 977, 1252, 1954, 3908, 5321, 10642, 16609, 21284, 33218, 66436, 305801, 611602, 1223204, 5198617, 10397234, 20794468]

約数ペア:

[(1, 20794468), (2, 10397234), (4, 5198617), (17, 1223204), (34, 611602), (68, 305801), (313, 66436), (626, 33218), (977, 21284), (1252, 16609), (1954, 10642), (3908, 5321)]