20427642

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{277}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 47227752

約数和(自身を除く): 26800110

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 241, 277, 306, 482, 554, 723, 831, 1446, 1662, 2169, 2493, 4097, 4338, 4709, 4986, 8194, 9418, 12291, 14127, 24582, 28254, 36873, 42381, 66757, 73746, 84762, 133514, 200271, 400542, 600813, 1134869, 1201626, 2269738, 3404607, 6809214, 10213821, 20427642]

約数ペア:

[(1, 20427642), (2, 10213821), (3, 6809214), (6, 3404607), (9, 2269738), (17, 1201626), (18, 1134869), (34, 600813), (51, 400542), (102, 200271), (153, 133514), (241, 84762), (277, 73746), (306, 66757), (482, 42381), (554, 36873), (723, 28254), (831, 24582), (1446, 14127), (1662, 12291), (2169, 9418), (2493, 8194), (4097, 4986), (4338, 4709)]