20190840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{1489}}^1$

素因数の和:1616

約数の個数: 64

約数和(自身を含む): 61149600

約数和(自身を除く): 40958760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 113, 120, 226, 339, 452, 565, 678, 904, 1130, 1356, 1489, 1695, 2260, 2712, 2978, 3390, 4467, 4520, 5956, 6780, 7445, 8934, 11912, 13560, 14890, 17868, 22335, 29780, 35736, 44670, 59560, 89340, 168257, 178680, 336514, 504771, 673028, 841285, 1009542, 1346056, 1682570, 2019084, 2523855, 3365140, 4038168, 5047710, 6730280, 10095420, 20190840]

約数ペア:

[(1, 20190840), (2, 10095420), (3, 6730280), (4, 5047710), (5, 4038168), (6, 3365140), (8, 2523855), (10, 2019084), (12, 1682570), (15, 1346056), (20, 1009542), (24, 841285), (30, 673028), (40, 504771), (60, 336514), (113, 178680), (120, 168257), (226, 89340), (339, 59560), (452, 44670), (565, 35736), (678, 29780), (904, 22335), (1130, 17868), (1356, 14890), (1489, 13560), (1695, 11912), (2260, 8934), (2712, 7445), (2978, 6780), (3390, 5956), (4467, 4520)]