20271270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1249}}^1$

素因数の和:1800

約数の個数: 32

約数和(自身を含む): 48780000

約数和(自身を除く): 28508730

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 541, 1082, 1249, 1623, 2498, 2705, 3246, 3747, 5410, 6245, 7494, 8115, 12490, 16230, 18735, 37470, 675709, 1351418, 2027127, 3378545, 4054254, 6757090, 10135635, 20271270]

約数ペア:

[(1, 20271270), (2, 10135635), (3, 6757090), (5, 4054254), (6, 3378545), (10, 2027127), (15, 1351418), (30, 675709), (541, 37470), (1082, 18735), (1249, 16230), (1623, 12490), (2498, 8115), (2705, 7494), (3246, 6245), (3747, 5410)]