20615308

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12479}}^1$

素因数の和:12549

約数の個数: 24

約数和(自身を含む): 41932800

約数和(自身を除く): 21317492

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12479, 24958, 49916, 87353, 174706, 349412, 736261, 1472522, 2945044, 5153827, 10307654, 20615308]

約数ペア:

[(1, 20615308), (2, 10307654), (4, 5153827), (7, 2945044), (14, 1472522), (28, 736261), (59, 349412), (118, 174706), (236, 87353), (413, 49916), (826, 24958), (1652, 12479)]