20412870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{811}}^1\times {\mathrm{839}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 49109760

約数和(自身を除く): 28696890

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 811, 839, 1622, 1678, 2433, 2517, 4055, 4195, 4866, 5034, 8110, 8390, 12165, 12585, 24330, 25170, 680429, 1360858, 2041287, 3402145, 4082574, 6804290, 10206435, 20412870]

約数ペア:

[(1, 20412870), (2, 10206435), (3, 6804290), (5, 4082574), (6, 3402145), (10, 2041287), (15, 1360858), (30, 680429), (811, 25170), (839, 24330), (1622, 12585), (1678, 12165), (2433, 8390), (2517, 8110), (4055, 5034), (4195, 4866)]