20015365

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{619}}^1$

素因数の和:876

約数の個数: 16

約数和(自身を含む): 24998400

約数和(自身を除く): 4983035

約数列:

[1, 5, 29, 145, 223, 619, 1115, 3095, 6467, 17951, 32335, 89755, 138037, 690185, 4003073, 20015365]

約数ペア:

[(1, 20015365), (5, 4003073), (29, 690185), (145, 138037), (223, 89755), (619, 32335), (1115, 17951), (3095, 6467)]