20908794

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1471}}^1$

素因数の和:1602

約数の個数: 32

約数和(自身を含む): 44089344

約数和(自身を除く): 23180550

約数列:

[1, 2, 3, 6, 23, 46, 69, 103, 138, 206, 309, 618, 1471, 2369, 2942, 4413, 4738, 7107, 8826, 14214, 33833, 67666, 101499, 151513, 202998, 303026, 454539, 909078, 3484799, 6969598, 10454397, 20908794]

約数ペア:

[(1, 20908794), (2, 10454397), (3, 6969598), (6, 3484799), (23, 909078), (46, 454539), (69, 303026), (103, 202998), (138, 151513), (206, 101499), (309, 67666), (618, 33833), (1471, 14214), (2369, 8826), (2942, 7107), (4413, 4738)]