20457252

素因数分解:

$2^2\times 3^3\times {\mathrm{307}}^1\times {\mathrm{617}}^1$

素因数の和:937

約数の個数: 48

約数和(自身を含む): 53296320

約数和(自身を除く): 32839068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 307, 614, 617, 921, 1228, 1234, 1842, 1851, 2468, 2763, 3684, 3702, 5526, 5553, 7404, 8289, 11052, 11106, 16578, 16659, 22212, 33156, 33318, 66636, 189419, 378838, 568257, 757676, 1136514, 1704771, 2273028, 3409542, 5114313, 6819084, 10228626, 20457252]

約数ペア:

[(1, 20457252), (2, 10228626), (3, 6819084), (4, 5114313), (6, 3409542), (9, 2273028), (12, 1704771), (18, 1136514), (27, 757676), (36, 568257), (54, 378838), (108, 189419), (307, 66636), (614, 33318), (617, 33156), (921, 22212), (1228, 16659), (1234, 16578), (1842, 11106), (1851, 11052), (2468, 8289), (2763, 7404), (3684, 5553), (3702, 5526)]