20627390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{631}}^1$

素因数の和:1112

約数の個数: 32

約数和(自身を含む): 42591744

約数和(自身を除く): 21964354

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 467, 631, 934, 1262, 2335, 3155, 3269, 4417, 4670, 6310, 6538, 8834, 16345, 22085, 32690, 44170, 294677, 589354, 1473385, 2062739, 2946770, 4125478, 10313695, 20627390]

約数ペア:

[(1, 20627390), (2, 10313695), (5, 4125478), (7, 2946770), (10, 2062739), (14, 1473385), (35, 589354), (70, 294677), (467, 44170), (631, 32690), (934, 22085), (1262, 16345), (2335, 8834), (3155, 6538), (3269, 6310), (4417, 4670)]