20511240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{170927}}^1$

素因数の和:170941

約数の個数: 32

約数和(自身を含む): 61534080

約数和(自身を除く): 41022840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 170927, 341854, 512781, 683708, 854635, 1025562, 1367416, 1709270, 2051124, 2563905, 3418540, 4102248, 5127810, 6837080, 10255620, 20511240]

約数ペア:

[(1, 20511240), (2, 10255620), (3, 6837080), (4, 5127810), (5, 4102248), (6, 3418540), (8, 2563905), (10, 2051124), (12, 1709270), (15, 1367416), (20, 1025562), (24, 854635), (30, 683708), (40, 512781), (60, 341854), (120, 170927)]