20374760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{72767}}^1$

素因数の和:72785

約数の個数: 32

約数和(自身を含む): 52392960

約数和(自身を除く): 32018200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 72767, 145534, 291068, 363835, 509369, 582136, 727670, 1018738, 1455340, 2037476, 2546845, 2910680, 4074952, 5093690, 10187380, 20374760]

約数ペア:

[(1, 20374760), (2, 10187380), (4, 5093690), (5, 4074952), (7, 2910680), (8, 2546845), (10, 2037476), (14, 1455340), (20, 1018738), (28, 727670), (35, 582136), (40, 509369), (56, 363835), (70, 291068), (140, 145534), (280, 72767)]