20872742

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{7841}}^1$

素因数の和:7876

約数の個数: 16

約数和(自身を含む): 34442064

約数和(自身を除く): 13569322

約数列:

[1, 2, 11, 22, 121, 242, 1331, 2662, 7841, 15682, 86251, 172502, 948761, 1897522, 10436371, 20872742]

約数ペア:

[(1, 20872742), (2, 10436371), (11, 1897522), (22, 948761), (121, 172502), (242, 86251), (1331, 15682), (2662, 7841)]