20217512240

素因数分解:

$2^4\times 5^1\times {\mathrm{673}}^1\times {\mathrm{375511}}^1$

素因数の和:376197

約数の個数: 40

約数和(自身を含む): 47075686368

約数和(自身を除く): 26858174128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 673, 1346, 2692, 3365, 5384, 6730, 10768, 13460, 26920, 53840, 375511, 751022, 1502044, 1877555, 3004088, 3755110, 6008176, 7510220, 15020440, 30040880, 252718903, 505437806, 1010875612, 1263594515, 2021751224, 2527189030, 4043502448, 5054378060, 10108756120, 20217512240]

約数ペア:

[(1, 20217512240), (2, 10108756120), (4, 5054378060), (5, 4043502448), (8, 2527189030), (10, 2021751224), (16, 1263594515), (20, 1010875612), (40, 505437806), (80, 252718903), (673, 30040880), (1346, 15020440), (2692, 7510220), (3365, 6008176), (5384, 3755110), (6730, 3004088), (10768, 1877555), (13460, 1502044), (26920, 751022), (53840, 375511)]