20047620433

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{827}}^1$

素因数の和:1213

約数の個数: 32

約数和(自身を含む): 21712306176

約数和(自身を除く): 1664685743

約数列:

[1, 23, 43, 127, 193, 827, 989, 2921, 4439, 5461, 8299, 19021, 24511, 35561, 105029, 125603, 159611, 190877, 563753, 817903, 1053973, 2415667, 3671053, 4516247, 6863273, 20270597, 24241379, 103873681, 157855279, 466223731, 871635671, 20047620433]

約数ペア:

[(1, 20047620433), (23, 871635671), (43, 466223731), (127, 157855279), (193, 103873681), (827, 24241379), (989, 20270597), (2921, 6863273), (4439, 4516247), (5461, 3671053), (8299, 2415667), (19021, 1053973), (24511, 817903), (35561, 563753), (105029, 190877), (125603, 159611)]