20818488

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{21157}}^1$

素因数の和:21207

約数の個数: 32

約数和(自身を含む): 53318160

約数和(自身を除く): 32499672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 492, 984, 21157, 42314, 63471, 84628, 126942, 169256, 253884, 507768, 867437, 1734874, 2602311, 3469748, 5204622, 6939496, 10409244, 20818488]

約数ペア:

[(1, 20818488), (2, 10409244), (3, 6939496), (4, 5204622), (6, 3469748), (8, 2602311), (12, 1734874), (24, 867437), (41, 507768), (82, 253884), (123, 169256), (164, 126942), (246, 84628), (328, 63471), (492, 42314), (984, 21157)]