20410920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{18899}}^1$

素因数の和:18919

約数の個数: 64

約数和(自身を含む): 68040000

約数和(自身を除く): 47629080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 18899, 37798, 56697, 75596, 94495, 113394, 151192, 170091, 188990, 226788, 283485, 340182, 377980, 453576, 510273, 566970, 680364, 755960, 850455, 1020546, 1133940, 1360728, 1700910, 2041092, 2267880, 2551365, 3401820, 4082184, 5102730, 6803640, 10205460, 20410920]

約数ペア:

[(1, 20410920), (2, 10205460), (3, 6803640), (4, 5102730), (5, 4082184), (6, 3401820), (8, 2551365), (9, 2267880), (10, 2041092), (12, 1700910), (15, 1360728), (18, 1133940), (20, 1020546), (24, 850455), (27, 755960), (30, 680364), (36, 566970), (40, 510273), (45, 453576), (54, 377980), (60, 340182), (72, 283485), (90, 226788), (108, 188990), (120, 170091), (135, 151192), (180, 113394), (216, 94495), (270, 75596), (360, 56697), (540, 37798), (1080, 18899)]