20185840

素因数分解:

$2^4\times 5^1\times {\mathrm{252323}}^1$

素因数の和:252336

約数の個数: 20

約数和(自身を含む): 46932264

約数和(自身を除く): 26746424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252323, 504646, 1009292, 1261615, 2018584, 2523230, 4037168, 5046460, 10092920, 20185840]

約数ペア:

[(1, 20185840), (2, 10092920), (4, 5046460), (5, 4037168), (8, 2523230), (10, 2018584), (16, 1261615), (20, 1009292), (40, 504646), (80, 252323)]