20778820156

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{1166563}}^1$

素因数の和:1166701

約数の個数: 24

約数和(自身を含む): 37465369424

約数和(自身を除く): 16686549268

約数列:

[1, 2, 4, 61, 73, 122, 146, 244, 292, 4453, 8906, 17812, 1166563, 2333126, 4666252, 71160343, 85159099, 142320686, 170318198, 284641372, 340636396, 5194705039, 10389410078, 20778820156]

約数ペア:

[(1, 20778820156), (2, 10389410078), (4, 5194705039), (61, 340636396), (73, 284641372), (122, 170318198), (146, 142320686), (244, 85159099), (292, 71160343), (4453, 4666252), (8906, 2333126), (17812, 1166563)]