20445249

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{151}}^1\times {\mathrm{373}}^1$

素因数の和:549

約数の個数: 24

約数和(自身を含む): 30243136

約数和(自身を除く): 9797887

約数列:

[1, 3, 11, 33, 121, 151, 363, 373, 453, 1119, 1661, 4103, 4983, 12309, 18271, 45133, 54813, 56323, 135399, 168969, 619553, 1858659, 6815083, 20445249]

約数ペア:

[(1, 20445249), (3, 6815083), (11, 1858659), (33, 619553), (121, 168969), (151, 135399), (363, 56323), (373, 54813), (453, 45133), (1119, 18271), (1661, 12309), (4103, 4983)]