20836096

素因数分解:

$2^8\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:624

約数の個数: 36

約数和(自身を含む): 41902000

約数和(自身を除く): 21065904

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 199, 256, 398, 409, 796, 818, 1592, 1636, 3184, 3272, 6368, 6544, 12736, 13088, 25472, 26176, 50944, 52352, 81391, 104704, 162782, 325564, 651128, 1302256, 2604512, 5209024, 10418048, 20836096]

約数ペア:

[(1, 20836096), (2, 10418048), (4, 5209024), (8, 2604512), (16, 1302256), (32, 651128), (64, 325564), (128, 162782), (199, 104704), (256, 81391), (398, 52352), (409, 50944), (796, 26176), (818, 25472), (1592, 13088), (1636, 12736), (3184, 6544), (3272, 6368)]