20938312

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 40435200

約数和(自身を除く): 19496888

約数列:

[1, 2, 4, 8, 47, 94, 188, 233, 239, 376, 466, 478, 932, 956, 1864, 1912, 10951, 11233, 21902, 22466, 43804, 44932, 55687, 87608, 89864, 111374, 222748, 445496, 2617289, 5234578, 10469156, 20938312]

約数ペア:

[(1, 20938312), (2, 10469156), (4, 5234578), (8, 2617289), (47, 445496), (94, 222748), (188, 111374), (233, 89864), (239, 87608), (376, 55687), (466, 44932), (478, 43804), (932, 22466), (956, 21902), (1864, 11233), (1912, 10951)]