20921397179

素因数分解:

${\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{109987}}^1$

素因数の和:110174

約数の個数: 16

約数和(自身を含む): 22118146848

約数和(自身を除く): 1196749669

約数列:

[1, 37, 53, 97, 1961, 3589, 5141, 109987, 190217, 4069519, 5829311, 10668739, 215684507, 394743343, 565443167, 20921397179]

約数ペア:

[(1, 20921397179), (37, 565443167), (53, 394743343), (97, 215684507), (1961, 10668739), (3589, 5829311), (5141, 4069519), (109987, 190217)]