20548264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{977}}^1$

素因数の和:1233

約数の個数: 32

約数和(自身を含む): 42249600

約数和(自身を除く): 21701336

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 239, 478, 956, 977, 1912, 1954, 2629, 3908, 5258, 7816, 10516, 10747, 21032, 21494, 42988, 85976, 233503, 467006, 934012, 1868024, 2568533, 5137066, 10274132, 20548264]

約数ペア:

[(1, 20548264), (2, 10274132), (4, 5137066), (8, 2568533), (11, 1868024), (22, 934012), (44, 467006), (88, 233503), (239, 85976), (478, 42988), (956, 21494), (977, 21032), (1912, 10747), (1954, 10516), (2629, 7816), (3908, 5258)]