20594990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9319}}^1$

素因数の和:9356

約数の個数: 32

約数和(自身を含む): 42275520

約数和(自身を除く): 21680530

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9319, 18638, 46595, 93190, 121147, 158423, 242294, 316846, 605735, 792115, 1211470, 1584230, 2059499, 4118998, 10297495, 20594990]

約数ペア:

[(1, 20594990), (2, 10297495), (5, 4118998), (10, 2059499), (13, 1584230), (17, 1211470), (26, 792115), (34, 605735), (65, 316846), (85, 242294), (130, 158423), (170, 121147), (221, 93190), (442, 46595), (1105, 18638), (2210, 9319)]