20163308879

素因数分解:

$7^1\times {\mathrm{193}}^1\times {\mathrm{2383}}^1\times {\mathrm{6263}}^1$

素因数の和:8846

約数の個数: 16

約数和(自身を含む): 23176599552

約数和(自身を除く): 3013290673

約数列:

[1, 7, 193, 1351, 2383, 6263, 16681, 43841, 459919, 1208759, 3219433, 8461313, 14924729, 104473103, 2880472697, 20163308879]

約数ペア:

[(1, 20163308879), (7, 2880472697), (193, 104473103), (1351, 14924729), (2383, 8461313), (6263, 3219433), (16681, 1208759), (43841, 459919)]