20479352

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1609}}^1$

素因数の和:1695

約数の個数: 32

約数和(自身を含む): 40378800

約数和(自身を除く): 19899448

約数列:

[1, 2, 4, 8, 37, 43, 74, 86, 148, 172, 296, 344, 1591, 1609, 3182, 3218, 6364, 6436, 12728, 12872, 59533, 69187, 119066, 138374, 238132, 276748, 476264, 553496, 2559919, 5119838, 10239676, 20479352]

約数ペア:

[(1, 20479352), (2, 10239676), (4, 5119838), (8, 2559919), (37, 553496), (43, 476264), (74, 276748), (86, 238132), (148, 138374), (172, 119066), (296, 69187), (344, 59533), (1591, 12872), (1609, 12728), (3182, 6436), (3218, 6364)]