20195730

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{8311}}^1$

素因数の和:8333

約数の個数: 48

約数和(自身を含む): 54460224

約数和(自身を除く): 34264494

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 243, 270, 405, 486, 810, 1215, 2430, 8311, 16622, 24933, 41555, 49866, 74799, 83110, 124665, 149598, 224397, 249330, 373995, 448794, 673191, 747990, 1121985, 1346382, 2019573, 2243970, 3365955, 4039146, 6731910, 10097865, 20195730]

約数ペア:

[(1, 20195730), (2, 10097865), (3, 6731910), (5, 4039146), (6, 3365955), (9, 2243970), (10, 2019573), (15, 1346382), (18, 1121985), (27, 747990), (30, 673191), (45, 448794), (54, 373995), (81, 249330), (90, 224397), (135, 149598), (162, 124665), (243, 83110), (270, 74799), (405, 49866), (486, 41555), (810, 24933), (1215, 16622), (2430, 8311)]