20339631760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{36320771}}^1$

素因数の和:36320791

約数の個数: 40

約数和(自身を含む): 54045308736

約数和(自身を除く): 33705676976

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 36320771, 72641542, 145283084, 181603855, 254245397, 290566168, 363207710, 508490794, 581132336, 726415420, 1016981588, 1271226985, 1452830840, 2033963176, 2542453970, 2905661680, 4067926352, 5084907940, 10169815880, 20339631760]

約数ペア:

[(1, 20339631760), (2, 10169815880), (4, 5084907940), (5, 4067926352), (7, 2905661680), (8, 2542453970), (10, 2033963176), (14, 1452830840), (16, 1271226985), (20, 1016981588), (28, 726415420), (35, 581132336), (40, 508490794), (56, 363207710), (70, 290566168), (80, 254245397), (112, 181603855), (140, 145283084), (280, 72641542), (560, 36320771)]