20427408

素因数分解:

$2^4\times 3^2\times {\mathrm{43}}^1\times {\mathrm{3299}}^1$

素因数の和:3356

約数の個数: 60

約数和(自身を含む): 58515600

約数和(自身を除く): 38088192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 43, 48, 72, 86, 129, 144, 172, 258, 344, 387, 516, 688, 774, 1032, 1548, 2064, 3096, 3299, 6192, 6598, 9897, 13196, 19794, 26392, 29691, 39588, 52784, 59382, 79176, 118764, 141857, 158352, 237528, 283714, 425571, 475056, 567428, 851142, 1134856, 1276713, 1702284, 2269712, 2553426, 3404568, 5106852, 6809136, 10213704, 20427408]

約数ペア:

[(1, 20427408), (2, 10213704), (3, 6809136), (4, 5106852), (6, 3404568), (8, 2553426), (9, 2269712), (12, 1702284), (16, 1276713), (18, 1134856), (24, 851142), (36, 567428), (43, 475056), (48, 425571), (72, 283714), (86, 237528), (129, 158352), (144, 141857), (172, 118764), (258, 79176), (344, 59382), (387, 52784), (516, 39588), (688, 29691), (774, 26392), (1032, 19794), (1548, 13196), (2064, 9897), (3096, 6598), (3299, 6192)]