20645702

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{1697}}^1$

素因数の和:1796

約数の個数: 32

約数和(自身を含む): 39121920

約数和(自身を除く): 18476218

約数列:

[1, 2, 7, 11, 14, 22, 77, 79, 154, 158, 553, 869, 1106, 1697, 1738, 3394, 6083, 11879, 12166, 18667, 23758, 37334, 130669, 134063, 261338, 268126, 938441, 1474693, 1876882, 2949386, 10322851, 20645702]

約数ペア:

[(1, 20645702), (2, 10322851), (7, 2949386), (11, 1876882), (14, 1474693), (22, 938441), (77, 268126), (79, 261338), (154, 134063), (158, 130669), (553, 37334), (869, 23758), (1106, 18667), (1697, 12166), (1738, 11879), (3394, 6083)]