20173840

素因数分解:

$2^4\times 5^1\times {\mathrm{252173}}^1$

素因数の和:252186

約数の個数: 20

約数和(自身を含む): 46904364

約数和(自身を除く): 26730524

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252173, 504346, 1008692, 1260865, 2017384, 2521730, 4034768, 5043460, 10086920, 20173840]

約数ペア:

[(1, 20173840), (2, 10086920), (4, 5043460), (5, 4034768), (8, 2521730), (10, 2017384), (16, 1260865), (20, 1008692), (40, 504346), (80, 252173)]