20853845

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 25643520

約数和(自身を除く): 4789675

約数列:

[1, 5, 59, 223, 295, 317, 1115, 1585, 13157, 18703, 65785, 70691, 93515, 353455, 4170769, 20853845]

約数ペア:

[(1, 20853845), (5, 4170769), (59, 353455), (223, 93515), (295, 70691), (317, 65785), (1115, 18703), (1585, 13157)]