20372807

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11783}}^1$

素因数の和:11822

約数の個数: 16

約数和(自身を含む): 26396160

約数和(自身を除く): 6023353

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11783, 82481, 153179, 223877, 1072253, 1567139, 2910401, 20372807]

約数ペア:

[(1, 20372807), (7, 2910401), (13, 1567139), (19, 1072253), (91, 223877), (133, 153179), (247, 82481), (1729, 11783)]