20209804

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{677}}^1$

素因数の和:1137

約数の個数: 24

約数和(自身を含む): 37588320

約数和(自身を除く): 17378516

約数列:

[1, 2, 4, 17, 34, 68, 439, 677, 878, 1354, 1756, 2708, 7463, 11509, 14926, 23018, 29852, 46036, 297203, 594406, 1188812, 5052451, 10104902, 20209804]

約数ペア:

[(1, 20209804), (2, 10104902), (4, 5052451), (17, 1188812), (34, 594406), (68, 297203), (439, 46036), (677, 29852), (878, 23018), (1354, 14926), (1756, 11509), (2708, 7463)]