20518694

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1181}}^1$

素因数の和:1280

約数の個数: 32

約数和(自身を含む): 37786176

約数和(自身を除く): 17267482

約数列:

[1, 2, 7, 14, 17, 34, 73, 119, 146, 238, 511, 1022, 1181, 1241, 2362, 2482, 8267, 8687, 16534, 17374, 20077, 40154, 86213, 140539, 172426, 281078, 603491, 1206982, 1465621, 2931242, 10259347, 20518694]

約数ペア:

[(1, 20518694), (2, 10259347), (7, 2931242), (14, 1465621), (17, 1206982), (34, 603491), (73, 281078), (119, 172426), (146, 140539), (238, 86213), (511, 40154), (1022, 20077), (1181, 17374), (1241, 16534), (2362, 8687), (2482, 8267)]