20367120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{751}}^1$

素因数の和:880

約数の個数: 80

約数和(自身を含む): 63781632

約数和(自身を除く): 43414512

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 113, 120, 226, 240, 339, 452, 565, 678, 751, 904, 1130, 1356, 1502, 1695, 1808, 2253, 2260, 2712, 3004, 3390, 3755, 4506, 4520, 5424, 6008, 6780, 7510, 9012, 9040, 11265, 12016, 13560, 15020, 18024, 22530, 27120, 30040, 36048, 45060, 60080, 84863, 90120, 169726, 180240, 254589, 339452, 424315, 509178, 678904, 848630, 1018356, 1272945, 1357808, 1697260, 2036712, 2545890, 3394520, 4073424, 5091780, 6789040, 10183560, 20367120]

約数ペア:

[(1, 20367120), (2, 10183560), (3, 6789040), (4, 5091780), (5, 4073424), (6, 3394520), (8, 2545890), (10, 2036712), (12, 1697260), (15, 1357808), (16, 1272945), (20, 1018356), (24, 848630), (30, 678904), (40, 509178), (48, 424315), (60, 339452), (80, 254589), (113, 180240), (120, 169726), (226, 90120), (240, 84863), (339, 60080), (452, 45060), (565, 36048), (678, 30040), (751, 27120), (904, 22530), (1130, 18024), (1356, 15020), (1502, 13560), (1695, 12016), (1808, 11265), (2253, 9040), (2260, 9012), (2712, 7510), (3004, 6780), (3390, 6008), (3755, 5424), (4506, 4520)]