20177576

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:545

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 18892504

約数列:

[1, 2, 4, 8, 41, 82, 164, 227, 271, 328, 454, 542, 908, 1084, 1816, 2168, 9307, 11111, 18614, 22222, 37228, 44444, 61517, 74456, 88888, 123034, 246068, 492136, 2522197, 5044394, 10088788, 20177576]

約数ペア:

[(1, 20177576), (2, 10088788), (4, 5044394), (8, 2522197), (41, 492136), (82, 246068), (164, 123034), (227, 88888), (271, 74456), (328, 61517), (454, 44444), (542, 37228), (908, 22222), (1084, 18614), (1816, 11111), (2168, 9307)]