20391126

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{28559}}^1$

素因数の和:28588

約数の個数: 32

約数和(自身を含む): 49351680

約数和(自身を除く): 28960554

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 238, 357, 714, 28559, 57118, 85677, 171354, 199913, 399826, 485503, 599739, 971006, 1199478, 1456509, 2913018, 3398521, 6797042, 10195563, 20391126]

約数ペア:

[(1, 20391126), (2, 10195563), (3, 6797042), (6, 3398521), (7, 2913018), (14, 1456509), (17, 1199478), (21, 971006), (34, 599739), (42, 485503), (51, 399826), (102, 199913), (119, 171354), (238, 85677), (357, 57118), (714, 28559)]