20178247678

素因数分解:

$2^1\times {\mathrm{107}}^1\times {\mathrm{389}}^1\times {\mathrm{242393}}^1$

素因数の和:242891

約数の個数: 16

約数和(自身を含む): 30628905840

約数和(自身を除く): 10450658162

約数列:

[1, 2, 107, 214, 389, 778, 41623, 83246, 242393, 484786, 25936051, 51872102, 94290877, 188581754, 10089123839, 20178247678]

約数ペア:

[(1, 20178247678), (2, 10089123839), (107, 188581754), (214, 94290877), (389, 51872102), (778, 25936051), (41623, 484786), (83246, 242393)]