20113874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 34007040

約数和(自身を除く): 13893166

約数列:

[1, 2, 11, 22, 71, 79, 142, 158, 163, 326, 781, 869, 1562, 1738, 1793, 3586, 5609, 11218, 11573, 12877, 23146, 25754, 61699, 123398, 127303, 141647, 254606, 283294, 914267, 1828534, 10056937, 20113874]

約数ペア:

[(1, 20113874), (2, 10056937), (11, 1828534), (22, 914267), (71, 283294), (79, 254606), (142, 141647), (158, 127303), (163, 123398), (326, 61699), (781, 25754), (869, 23146), (1562, 12877), (1738, 11573), (1793, 11218), (3586, 5609)]