20564154

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{87881}}^1$

素因数の和:87902

約数の個数: 24

約数和(自身を含む): 47983572

約数和(自身を除く): 27419418

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 87881, 175762, 263643, 527286, 790929, 1142453, 1581858, 2284906, 3427359, 6854718, 10282077, 20564154]

約数ペア:

[(1, 20564154), (2, 10282077), (3, 6854718), (6, 3427359), (9, 2284906), (13, 1581858), (18, 1142453), (26, 790929), (39, 527286), (78, 263643), (117, 175762), (234, 87881)]