20910933

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{151}}^1\times {\mathrm{223}}^1$

素因数の和:406

約数の個数: 32

約数和(自身を含む): 32686080

約数和(自身を除く): 11775147

約数列:

[1, 3, 9, 23, 27, 69, 151, 207, 223, 453, 621, 669, 1359, 2007, 3473, 4077, 5129, 6021, 10419, 15387, 31257, 33673, 46161, 93771, 101019, 138483, 303057, 774479, 909171, 2323437, 6970311, 20910933]

約数ペア:

[(1, 20910933), (3, 6970311), (9, 2323437), (23, 909171), (27, 774479), (69, 303057), (151, 138483), (207, 101019), (223, 93771), (453, 46161), (621, 33673), (669, 31257), (1359, 15387), (2007, 10419), (3473, 6021), (4077, 5129)]