20604040

素因数分解:

$2^3\times 5^1\times {\mathrm{467}}^1\times {\mathrm{1103}}^1$

素因数の和:1581

約数の個数: 32

約数和(自身を含む): 46500480

約数和(自身を除く): 25896440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 467, 934, 1103, 1868, 2206, 2335, 3736, 4412, 4670, 5515, 8824, 9340, 11030, 18680, 22060, 44120, 515101, 1030202, 2060404, 2575505, 4120808, 5151010, 10302020, 20604040]

約数ペア:

[(1, 20604040), (2, 10302020), (4, 5151010), (5, 4120808), (8, 2575505), (10, 2060404), (20, 1030202), (40, 515101), (467, 44120), (934, 22060), (1103, 18680), (1868, 11030), (2206, 9340), (2335, 8824), (3736, 5515), (4412, 4670)]