20746680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2083}}^1$

素因数の和:2180

約数の個数: 64

約数和(自身を含む): 63020160

約数和(自身を除く): 42273480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2083, 2490, 3320, 4166, 4980, 6249, 8332, 9960, 10415, 12498, 16664, 20830, 24996, 31245, 41660, 49992, 62490, 83320, 124980, 172889, 249960, 345778, 518667, 691556, 864445, 1037334, 1383112, 1728890, 2074668, 2593335, 3457780, 4149336, 5186670, 6915560, 10373340, 20746680]

約数ペア:

[(1, 20746680), (2, 10373340), (3, 6915560), (4, 5186670), (5, 4149336), (6, 3457780), (8, 2593335), (10, 2074668), (12, 1728890), (15, 1383112), (20, 1037334), (24, 864445), (30, 691556), (40, 518667), (60, 345778), (83, 249960), (120, 172889), (166, 124980), (249, 83320), (332, 62490), (415, 49992), (498, 41660), (664, 31245), (830, 24996), (996, 20830), (1245, 16664), (1660, 12498), (1992, 10415), (2083, 9960), (2490, 8332), (3320, 6249), (4166, 4980)]