20945571928

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{683}}^1\times {\mathrm{93497}}^1$

素因数の和:94227

約数の個数: 32

約数和(自身を含む): 40290158160

約数和(自身を除く): 19344586232

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 683, 1366, 2732, 5464, 28003, 56006, 93497, 112012, 186994, 224024, 373988, 747976, 3833377, 7666754, 15333508, 30667016, 63858451, 127716902, 255433804, 510867608, 2618196491, 5236392982, 10472785964, 20945571928]

約数ペア:

[(1, 20945571928), (2, 10472785964), (4, 5236392982), (8, 2618196491), (41, 510867608), (82, 255433804), (164, 127716902), (328, 63858451), (683, 30667016), (1366, 15333508), (2732, 7666754), (5464, 3833377), (28003, 747976), (56006, 373988), (93497, 224024), (112012, 186994)]