20565888008

素因数分解:

$2^3\times {\mathrm{29}}^2\times {\mathrm{97}}^1\times {\mathrm{31513}}^1$

素因数の和:31674

約数の個数: 48

約数和(自身を含む): 40349580180

約数和(自身を除く): 19783692172

約数列:

[1, 2, 4, 8, 29, 58, 97, 116, 194, 232, 388, 776, 841, 1682, 2813, 3364, 5626, 6728, 11252, 22504, 31513, 63026, 81577, 126052, 163154, 252104, 326308, 652616, 913877, 1827754, 3056761, 3655508, 6113522, 7311016, 12227044, 24454088, 26502433, 53004866, 88646069, 106009732, 177292138, 212019464, 354584276, 709168552, 2570736001, 5141472002, 10282944004, 20565888008]

約数ペア:

[(1, 20565888008), (2, 10282944004), (4, 5141472002), (8, 2570736001), (29, 709168552), (58, 354584276), (97, 212019464), (116, 177292138), (194, 106009732), (232, 88646069), (388, 53004866), (776, 26502433), (841, 24454088), (1682, 12227044), (2813, 7311016), (3364, 6113522), (5626, 3655508), (6728, 3056761), (11252, 1827754), (22504, 913877), (31513, 652616), (63026, 326308), (81577, 252104), (126052, 163154)]