20423325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20947}}^1$

素因数の和:20973

約数の個数: 24

約数和(自身を含む): 36365728

約数和(自身を除く): 15942403

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 20947, 62841, 104735, 272311, 314205, 523675, 816933, 1361555, 1571025, 4084665, 6807775, 20423325]

約数ペア:

[(1, 20423325), (3, 6807775), (5, 4084665), (13, 1571025), (15, 1361555), (25, 816933), (39, 523675), (65, 314205), (75, 272311), (195, 104735), (325, 62841), (975, 20947)]