20669154

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7283}}^1$

素因数の和:7342

約数の個数: 32

約数和(自身を含む): 46151424

約数和(自身を除く): 25482270

約数列:

[1, 2, 3, 6, 11, 22, 33, 43, 66, 86, 129, 258, 473, 946, 1419, 2838, 7283, 14566, 21849, 43698, 80113, 160226, 240339, 313169, 480678, 626338, 939507, 1879014, 3444859, 6889718, 10334577, 20669154]

約数ペア:

[(1, 20669154), (2, 10334577), (3, 6889718), (6, 3444859), (11, 1879014), (22, 939507), (33, 626338), (43, 480678), (66, 313169), (86, 240339), (129, 160226), (258, 80113), (473, 43698), (946, 21849), (1419, 14566), (2838, 7283)]