20284890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1201}}^1$

素因数の和:1774

約数の個数: 32

約数和(自身を含む): 48810816

約数和(自身を除く): 28525926

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 563, 1126, 1201, 1689, 2402, 2815, 3378, 3603, 5630, 6005, 7206, 8445, 12010, 16890, 18015, 36030, 676163, 1352326, 2028489, 3380815, 4056978, 6761630, 10142445, 20284890]

約数ペア:

[(1, 20284890), (2, 10142445), (3, 6761630), (5, 4056978), (6, 3380815), (10, 2028489), (15, 1352326), (30, 676163), (563, 36030), (1126, 18015), (1201, 16890), (1689, 12010), (2402, 8445), (2815, 7206), (3378, 6005), (3603, 5630)]