20877945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{11503}}^1$

素因数の和:11533

約数の個数: 24

約数和(自身を含む): 36720768

約数和(自身を除く): 15842823

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 11503, 34509, 57515, 126533, 172545, 379599, 632665, 1391863, 1897995, 4175589, 6959315, 20877945]

約数ペア:

[(1, 20877945), (3, 6959315), (5, 4175589), (11, 1897995), (15, 1391863), (33, 632665), (55, 379599), (121, 172545), (165, 126533), (363, 57515), (605, 34509), (1815, 11503)]