20180490885

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2969903}}^1$

素因数の和:2970065

約数の個数: 24

約数和(自身を含む): 35211181824

約数和(自身を除く): 15030690939

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 6795, 2969903, 8909709, 14849515, 26729127, 44548545, 133645635, 448455353, 1345366059, 2242276765, 4036098177, 6726830295, 20180490885]

約数ペア:

[(1, 20180490885), (3, 6726830295), (5, 4036098177), (9, 2242276765), (15, 1345366059), (45, 448455353), (151, 133645635), (453, 44548545), (755, 26729127), (1359, 14849515), (2265, 8909709), (6795, 2969903)]