20497080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170809}}^1$

素因数の和:170823

約数の個数: 32

約数和(自身を含む): 61491600

約数和(自身を除く): 40994520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170809, 341618, 512427, 683236, 854045, 1024854, 1366472, 1708090, 2049708, 2562135, 3416180, 4099416, 5124270, 6832360, 10248540, 20497080]

約数ペア:

[(1, 20497080), (2, 10248540), (3, 6832360), (4, 5124270), (5, 4099416), (6, 3416180), (8, 2562135), (10, 2049708), (12, 1708090), (15, 1366472), (20, 1024854), (24, 854045), (30, 683236), (40, 512427), (60, 341618), (120, 170809)]