20280450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2551}}^1$

素因数の和:2619

約数の個数: 48

約数和(自身を含む): 51264576

約数和(自身を除く): 30984126

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 75, 106, 150, 159, 265, 318, 530, 795, 1325, 1590, 2551, 2650, 3975, 5102, 7653, 7950, 12755, 15306, 25510, 38265, 63775, 76530, 127550, 135203, 191325, 270406, 382650, 405609, 676015, 811218, 1352030, 2028045, 3380075, 4056090, 6760150, 10140225, 20280450]

約数ペア:

[(1, 20280450), (2, 10140225), (3, 6760150), (5, 4056090), (6, 3380075), (10, 2028045), (15, 1352030), (25, 811218), (30, 676015), (50, 405609), (53, 382650), (75, 270406), (106, 191325), (150, 135203), (159, 127550), (265, 76530), (318, 63775), (530, 38265), (795, 25510), (1325, 15306), (1590, 12755), (2551, 7950), (2650, 7653), (3975, 5102)]