20701472440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{370463}}^1$

素因数の和:370612

約数の個数: 64

約数和(自身を含む): 51212943360

約数和(自身を除く): 30511470920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 127, 220, 254, 440, 508, 635, 1016, 1270, 1397, 2540, 2794, 5080, 5588, 6985, 11176, 13970, 27940, 55880, 370463, 740926, 1481852, 1852315, 2963704, 3704630, 4075093, 7409260, 8150186, 14818520, 16300372, 20375465, 32600744, 40750930, 47048801, 81501860, 94097602, 163003720, 188195204, 235244005, 376390408, 470488010, 517536811, 940976020, 1035073622, 1881952040, 2070147244, 2587684055, 4140294488, 5175368110, 10350736220, 20701472440]

約数ペア:

[(1, 20701472440), (2, 10350736220), (4, 5175368110), (5, 4140294488), (8, 2587684055), (10, 2070147244), (11, 1881952040), (20, 1035073622), (22, 940976020), (40, 517536811), (44, 470488010), (55, 376390408), (88, 235244005), (110, 188195204), (127, 163003720), (220, 94097602), (254, 81501860), (440, 47048801), (508, 40750930), (635, 32600744), (1016, 20375465), (1270, 16300372), (1397, 14818520), (2540, 8150186), (2794, 7409260), (5080, 4075093), (5588, 3704630), (6985, 2963704), (11176, 1852315), (13970, 1481852), (27940, 740926), (55880, 370463)]