20874867

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{18457}}^1$

素因数の和:18502

約数の個数: 16

約数和(自身を含む): 31009440

約数和(自身を除く): 10134573

約数列:

[1, 3, 13, 29, 39, 87, 377, 1131, 18457, 55371, 239941, 535253, 719823, 1605759, 6958289, 20874867]

約数ペア:

[(1, 20874867), (3, 6958289), (13, 1605759), (29, 719823), (39, 535253), (87, 239941), (377, 55371), (1131, 18457)]