20815922

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8623}}^1$

素因数の和:8713

約数の個数: 16

約数和(自身を含む): 33530112

約数和(自身を除く): 12714190

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8623, 17246, 146591, 293182, 612233, 1224466, 10407961, 20815922]

約数ペア:

[(1, 20815922), (2, 10407961), (17, 1224466), (34, 612233), (71, 293182), (142, 146591), (1207, 17246), (2414, 8623)]