20809475809928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19001}}^1\times {\mathrm{10530557}}^1$

素因数の和:10549577

約数の個数: 32

約数和(自身を含む): 42021349254360

約数和(自身を除く): 21211873444432

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 19001, 38002, 76004, 152008, 247013, 494026, 988052, 1976104, 10530557, 21061114, 42122228, 84244456, 136897241, 273794482, 547588964, 1095177928, 200091113557, 400182227114, 800364454228, 1600728908456, 2601184476241, 5202368952482, 10404737904964, 20809475809928]

約数ペア:

[(1, 20809475809928), (2, 10404737904964), (4, 5202368952482), (8, 2601184476241), (13, 1600728908456), (26, 800364454228), (52, 400182227114), (104, 200091113557), (19001, 1095177928), (38002, 547588964), (76004, 273794482), (152008, 136897241), (247013, 84244456), (494026, 42122228), (988052, 21061114), (1976104, 10530557)]