20952524

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1997}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 38153808

約数和(自身を除く): 17201284

約数列:

[1, 2, 4, 43, 61, 86, 122, 172, 244, 1997, 2623, 3994, 5246, 7988, 10492, 85871, 121817, 171742, 243634, 343484, 487268, 5238131, 10476262, 20952524]

約数ペア:

[(1, 20952524), (2, 10476262), (4, 5238131), (43, 487268), (61, 343484), (86, 243634), (122, 171742), (172, 121817), (244, 85871), (1997, 10492), (2623, 7988), (3994, 5246)]