20147690829

素因数分解:

$3^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{63863}}^1$

素因数の和:64137

約数の個数: 32

約数和(自身を含む): 31243290624

約数和(自身を除く): 11095599795

約数列:

[1, 3, 7, 21, 83, 181, 249, 543, 581, 1267, 1743, 3801, 15023, 45069, 63863, 105161, 191589, 315483, 447041, 1341123, 5300629, 11559203, 15901887, 34677609, 37104403, 80914421, 111313209, 242743263, 959413849, 2878241547, 6715896943, 20147690829]

約数ペア:

[(1, 20147690829), (3, 6715896943), (7, 2878241547), (21, 959413849), (83, 242743263), (181, 111313209), (249, 80914421), (543, 37104403), (581, 34677609), (1267, 15901887), (1743, 11559203), (3801, 5300629), (15023, 1341123), (45069, 447041), (63863, 315483), (105161, 191589)]