20175207

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1433}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 30595824

約数和(自身を除く): 10420617

約数列:

[1, 3, 13, 19, 39, 57, 247, 361, 741, 1083, 1433, 4299, 4693, 14079, 18629, 27227, 55887, 81681, 353951, 517313, 1061853, 1551939, 6725069, 20175207]

約数ペア:

[(1, 20175207), (3, 6725069), (13, 1551939), (19, 1061853), (39, 517313), (57, 353951), (247, 81681), (361, 55887), (741, 27227), (1083, 18629), (1433, 14079), (4299, 4693)]