20225840

素因数分解:

$2^4\times 5^1\times {\mathrm{252823}}^1$

素因数の和:252836

約数の個数: 20

約数和(自身を含む): 47025264

約数和(自身を除く): 26799424

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 252823, 505646, 1011292, 1264115, 2022584, 2528230, 4045168, 5056460, 10112920, 20225840]

約数ペア:

[(1, 20225840), (2, 10112920), (4, 5056460), (5, 4045168), (8, 2528230), (10, 2022584), (16, 1264115), (20, 1011292), (40, 505646), (80, 252823)]