203780020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{599353}}^1$

素因数の和:599379

約数の個数: 24

約数和(自身を含む): 453111624

約数和(自身を除く): 249331604

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 599353, 1198706, 2397412, 2996765, 5993530, 10189001, 11987060, 20378002, 40756004, 50945005, 101890010, 203780020]

約数ペア:

[(1, 203780020), (2, 101890010), (4, 50945005), (5, 40756004), (10, 20378002), (17, 11987060), (20, 10189001), (34, 5993530), (68, 2996765), (85, 2397412), (170, 1198706), (340, 599353)]