20802172389

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{653}}^1\times {\mathrm{4127}}^1$

素因数の和:4897

約数の個数: 32

約数和(自身を含む): 29027303424

約数和(自身を除く): 8225131035

約数列:

[1, 3, 31, 83, 93, 249, 653, 1959, 2573, 4127, 7719, 12381, 20243, 54199, 60729, 127937, 162597, 342541, 383811, 1027623, 1680169, 2694931, 5040507, 8084793, 10618771, 31856313, 83542861, 223679273, 250628583, 671037819, 6934057463, 20802172389]

約数ペア:

[(1, 20802172389), (3, 6934057463), (31, 671037819), (83, 250628583), (93, 223679273), (249, 83542861), (653, 31856313), (1959, 10618771), (2573, 8084793), (4127, 5040507), (7719, 2694931), (12381, 1680169), (20243, 1027623), (54199, 383811), (60729, 342541), (127937, 162597)]