20779372

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{709}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 38646720

約数和(自身を除く): 17867348

約数列:

[1, 2, 4, 17, 34, 68, 431, 709, 862, 1418, 1724, 2836, 7327, 12053, 14654, 24106, 29308, 48212, 305579, 611158, 1222316, 5194843, 10389686, 20779372]

約数ペア:

[(1, 20779372), (2, 10389686), (4, 5194843), (17, 1222316), (34, 611158), (68, 305579), (431, 48212), (709, 29308), (862, 24106), (1418, 14654), (1724, 12053), (2836, 7327)]