20197168

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11171}}^1$

素因数の和:11292

約数の個数: 20

約数和(自身を含む): 39481848

約数和(自身を除く): 19284680

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11171, 22342, 44684, 89368, 178736, 1262323, 2524646, 5049292, 10098584, 20197168]

約数ペア:

[(1, 20197168), (2, 10098584), (4, 5049292), (8, 2524646), (16, 1262323), (113, 178736), (226, 89368), (452, 44684), (904, 22342), (1808, 11171)]