20895650

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{10193}}^1$

素因数の和:10246

約数の個数: 24

約数和(自身を含む): 39817764

約数和(自身を除く): 18922114

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 205, 410, 1025, 2050, 10193, 20386, 50965, 101930, 254825, 417913, 509650, 835826, 2089565, 4179130, 10447825, 20895650]

約数ペア:

[(1, 20895650), (2, 10447825), (5, 4179130), (10, 2089565), (25, 835826), (41, 509650), (50, 417913), (82, 254825), (205, 101930), (410, 50965), (1025, 20386), (2050, 10193)]