20184558478

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2591}}^1\times {\mathrm{10499}}^1$

素因数の和:13152

約数の個数: 32

約数和(自身を含む): 35271936000

約数和(自身を除く): 15087377522

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 2591, 5182, 10499, 18137, 20998, 36274, 73493, 137323, 146986, 274646, 556447, 961261, 1112894, 1922522, 3895129, 7790258, 27202909, 54405818, 190420363, 380840726, 1441754177, 2883508354, 10092279239, 20184558478]

約数ペア:

[(1, 20184558478), (2, 10092279239), (7, 2883508354), (14, 1441754177), (53, 380840726), (106, 190420363), (371, 54405818), (742, 27202909), (2591, 7790258), (5182, 3895129), (10499, 1922522), (18137, 1112894), (20998, 961261), (36274, 556447), (73493, 274646), (137323, 146986)]