20622280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{73651}}^1$

素因数の和:73669

約数の個数: 32

約数和(自身を含む): 53029440

約数和(自身を除く): 32407160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 73651, 147302, 294604, 368255, 515557, 589208, 736510, 1031114, 1473020, 2062228, 2577785, 2946040, 4124456, 5155570, 10311140, 20622280]

約数ペア:

[(1, 20622280), (2, 10311140), (4, 5155570), (5, 4124456), (7, 2946040), (8, 2577785), (10, 2062228), (14, 1473020), (20, 1031114), (28, 736510), (35, 589208), (40, 515557), (56, 368255), (70, 294604), (140, 147302), (280, 73651)]