20000124

素因数分解:

$2^2\times 3^2\times {\mathrm{431}}^1\times {\mathrm{1289}}^1$

素因数の和:1730

約数の個数: 36

約数和(自身を含む): 50712480

約数和(自身を除く): 30712356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 431, 862, 1289, 1293, 1724, 2578, 2586, 3867, 3879, 5156, 5172, 7734, 7758, 11601, 15468, 15516, 23202, 46404, 555559, 1111118, 1666677, 2222236, 3333354, 5000031, 6666708, 10000062, 20000124]

約数ペア:

[(1, 20000124), (2, 10000062), (3, 6666708), (4, 5000031), (6, 3333354), (9, 2222236), (12, 1666677), (18, 1111118), (36, 555559), (431, 46404), (862, 23202), (1289, 15516), (1293, 15468), (1724, 11601), (2578, 7758), (2586, 7734), (3867, 5172), (3879, 5156)]