20783384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{152819}}^1$

素因数の和:152842

約数の個数: 16

約数和(自身を含む): 41261400

約数和(自身を除く): 20478016

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 152819, 305638, 611276, 1222552, 2597923, 5195846, 10391692, 20783384]

約数ペア:

[(1, 20783384), (2, 10391692), (4, 5195846), (8, 2597923), (17, 1222552), (34, 611276), (68, 305638), (136, 152819)]