20988456

素因数分解:

$2^3\times 3^1\times {\mathrm{269}}^1\times {\mathrm{3251}}^1$

素因数の和:3529

約数の個数: 32

約数和(自身を含む): 52682400

約数和(自身を除く): 31693944

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 269, 538, 807, 1076, 1614, 2152, 3228, 3251, 6456, 6502, 9753, 13004, 19506, 26008, 39012, 78024, 874519, 1749038, 2623557, 3498076, 5247114, 6996152, 10494228, 20988456]

約数ペア:

[(1, 20988456), (2, 10494228), (3, 6996152), (4, 5247114), (6, 3498076), (8, 2623557), (12, 1749038), (24, 874519), (269, 78024), (538, 39012), (807, 26008), (1076, 19506), (1614, 13004), (2152, 9753), (3228, 6502), (3251, 6456)]