20927746

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{631}}^1$

素因数の和:766

約数の個数: 32

約数和(自身を含む): 37859328

約数和(自身を除く): 16931582

約数列:

[1, 2, 7, 14, 23, 46, 103, 161, 206, 322, 631, 721, 1262, 1442, 2369, 4417, 4738, 8834, 14513, 16583, 29026, 33166, 64993, 101591, 129986, 203182, 454951, 909902, 1494839, 2989678, 10463873, 20927746]

約数ペア:

[(1, 20927746), (2, 10463873), (7, 2989678), (14, 1494839), (23, 909902), (46, 454951), (103, 203182), (161, 129986), (206, 101591), (322, 64993), (631, 33166), (721, 29026), (1262, 16583), (1442, 14513), (2369, 8834), (4417, 4738)]