20123621869

素因数分解:

${\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1\times {\mathrm{443}}^1$

素因数の和:997

約数の個数: 32

約数和(自身を含む): 22233786624

約数和(自身を除く): 2110164755

約数列:

[1, 13, 73, 151, 317, 443, 949, 1963, 4121, 5759, 11023, 23141, 32339, 47867, 66893, 140431, 143299, 300833, 420407, 622271, 869609, 1825603, 3494291, 4883189, 10251463, 21205081, 45425783, 63481457, 133269019, 275666053, 1547970913, 20123621869]

約数ペア:

[(1, 20123621869), (13, 1547970913), (73, 275666053), (151, 133269019), (317, 63481457), (443, 45425783), (949, 21205081), (1963, 10251463), (4121, 4883189), (5759, 3494291), (11023, 1825603), (23141, 869609), (32339, 622271), (47867, 420407), (66893, 300833), (140431, 143299)]