20457980965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{13147}}^1\times {\mathrm{18307}}^1$

素因数の和:31476

約数の個数: 16

約数和(自身を含む): 25997067072

約数和(自身を除く): 5539086107

約数列:

[1, 5, 17, 85, 13147, 18307, 65735, 91535, 223499, 311219, 1117495, 1556095, 240682129, 1203410645, 4091596193, 20457980965]

約数ペア:

[(1, 20457980965), (5, 4091596193), (17, 1203410645), (85, 240682129), (13147, 1556095), (18307, 1117495), (65735, 311219), (91535, 223499)]