20527670

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{7103}}^1$

素因数の和:7144

約数の個数: 24

約数和(自身を含む): 39256704

約数和(自身を除く): 18729034

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 7103, 14206, 35515, 71030, 120751, 241502, 603755, 1207510, 2052767, 4105534, 10263835, 20527670]

約数ペア:

[(1, 20527670), (2, 10263835), (5, 4105534), (10, 2052767), (17, 1207510), (34, 603755), (85, 241502), (170, 120751), (289, 71030), (578, 35515), (1445, 14206), (2890, 7103)]