20216313

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1319}}^1$

素因数の和:1469

約数の個数: 24

約数和(自身を含む): 31711680

約数和(自身を除く): 11495367

約数列:

[1, 3, 9, 13, 39, 117, 131, 393, 1179, 1319, 1703, 3957, 5109, 11871, 15327, 17147, 51441, 154323, 172789, 518367, 1555101, 2246257, 6738771, 20216313]

約数ペア:

[(1, 20216313), (3, 6738771), (9, 2246257), (13, 1555101), (39, 518367), (117, 172789), (131, 154323), (393, 51441), (1179, 17147), (1319, 15327), (1703, 11871), (3957, 5109)]