20625030

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25463}}^1$

素因数の和:25482

約数の個数: 40

約数和(自身を含む): 55460592

約数和(自身を除く): 34835562

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25463, 50926, 76389, 127315, 152778, 229167, 254630, 381945, 458334, 687501, 763890, 1145835, 1375002, 2062503, 2291670, 3437505, 4125006, 6875010, 10312515, 20625030]

約数ペア:

[(1, 20625030), (2, 10312515), (3, 6875010), (5, 4125006), (6, 3437505), (9, 2291670), (10, 2062503), (15, 1375002), (18, 1145835), (27, 763890), (30, 687501), (45, 458334), (54, 381945), (81, 254630), (90, 229167), (135, 152778), (162, 127315), (270, 76389), (405, 50926), (810, 25463)]