20003640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1873}}^1$

素因数の和:1976

約数の個数: 64

約数和(自身を含む): 60717600

約数和(自身を除く): 40713960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 445, 534, 712, 890, 1068, 1335, 1780, 1873, 2136, 2670, 3560, 3746, 5340, 5619, 7492, 9365, 10680, 11238, 14984, 18730, 22476, 28095, 37460, 44952, 56190, 74920, 112380, 166697, 224760, 333394, 500091, 666788, 833485, 1000182, 1333576, 1666970, 2000364, 2500455, 3333940, 4000728, 5000910, 6667880, 10001820, 20003640]

約数ペア:

[(1, 20003640), (2, 10001820), (3, 6667880), (4, 5000910), (5, 4000728), (6, 3333940), (8, 2500455), (10, 2000364), (12, 1666970), (15, 1333576), (20, 1000182), (24, 833485), (30, 666788), (40, 500091), (60, 333394), (89, 224760), (120, 166697), (178, 112380), (267, 74920), (356, 56190), (445, 44952), (534, 37460), (712, 28095), (890, 22476), (1068, 18730), (1335, 14984), (1780, 11238), (1873, 10680), (2136, 9365), (2670, 7492), (3560, 5619), (3746, 5340)]