20256528

素因数分解:

$2^4\times 3^1\times {\mathrm{397}}^1\times {\mathrm{1063}}^1$

素因数の和:1471

約数の個数: 40

約数和(自身を含む): 52510528

約数和(自身を除く): 32254000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 397, 794, 1063, 1191, 1588, 2126, 2382, 3176, 3189, 4252, 4764, 6352, 6378, 8504, 9528, 12756, 17008, 19056, 25512, 51024, 422011, 844022, 1266033, 1688044, 2532066, 3376088, 5064132, 6752176, 10128264, 20256528]

約数ペア:

[(1, 20256528), (2, 10128264), (3, 6752176), (4, 5064132), (6, 3376088), (8, 2532066), (12, 1688044), (16, 1266033), (24, 844022), (48, 422011), (397, 51024), (794, 25512), (1063, 19056), (1191, 17008), (1588, 12756), (2126, 9528), (2382, 8504), (3176, 6378), (3189, 6352), (4252, 4764)]