20750873

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{151}}^1$

素因数の和:237

約数の個数: 24

約数和(自身を含む): 25357248

約数和(自身を除く): 4606375

約数列:

[1, 11, 13, 31, 143, 151, 341, 403, 961, 1661, 1963, 4433, 4681, 10571, 12493, 21593, 51491, 60853, 137423, 145111, 669383, 1596221, 1886443, 20750873]

約数ペア:

[(1, 20750873), (11, 1886443), (13, 1596221), (31, 669383), (143, 145111), (151, 137423), (341, 60853), (403, 51491), (961, 21593), (1661, 12493), (1963, 10571), (4433, 4681)]