20621935

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^2$

素因数の和:267

約数の個数: 24

約数和(自身を含む): 27827280

約数和(自身を除く): 7205345

約数列:

[1, 5, 17, 19, 85, 95, 113, 323, 565, 1615, 1921, 2147, 9605, 10735, 12769, 36499, 63845, 182495, 217073, 242611, 1085365, 1213055, 4124387, 20621935]

約数ペア:

[(1, 20621935), (5, 4124387), (17, 1213055), (19, 1085365), (85, 242611), (95, 217073), (113, 182495), (323, 63845), (565, 36499), (1615, 12769), (1921, 10735), (2147, 9605)]