20485464

素因数分解:

$2^3\times 3^1\times {\mathrm{103}}^1\times {\mathrm{8287}}^1$

素因数の和:8399

約数の個数: 32

約数和(自身を含む): 51717120

約数和(自身を除く): 31231656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 103, 206, 309, 412, 618, 824, 1236, 2472, 8287, 16574, 24861, 33148, 49722, 66296, 99444, 198888, 853561, 1707122, 2560683, 3414244, 5121366, 6828488, 10242732, 20485464]

約数ペア:

[(1, 20485464), (2, 10242732), (3, 6828488), (4, 5121366), (6, 3414244), (8, 2560683), (12, 1707122), (24, 853561), (103, 198888), (206, 99444), (309, 66296), (412, 49722), (618, 33148), (824, 24861), (1236, 16574), (2472, 8287)]