20634551

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3301}}^1$

素因数の和:3374

約数の個数: 16

約数和(自身を含む): 25359360

約数和(自身を除く): 4724809

約数列:

[1, 7, 19, 47, 133, 329, 893, 3301, 6251, 23107, 62719, 155147, 439033, 1086029, 2947793, 20634551]

約数ペア:

[(1, 20634551), (7, 2947793), (19, 1086029), (47, 439033), (133, 155147), (329, 62719), (893, 23107), (3301, 6251)]