20976291

素因数分解:

$3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1429}}^1$

素因数の和:1675

約数の個数: 24

約数和(自身を含む): 34800480

約数和(自身を除く): 13824189

約数列:

[1, 3, 7, 9, 21, 63, 233, 699, 1429, 1631, 2097, 4287, 4893, 10003, 12861, 14679, 30009, 90027, 332957, 998871, 2330699, 2996613, 6992097, 20976291]

約数ペア:

[(1, 20976291), (3, 6992097), (7, 2996613), (9, 2330699), (21, 998871), (63, 332957), (233, 90027), (699, 30009), (1429, 14679), (1631, 12861), (2097, 10003), (4287, 4893)]