20281569375

素因数分解:

$3^1\times 5^4\times {\mathrm{3041}}^1\times {\mathrm{3557}}^1$

素因数の和:6621

約数の個数: 40

約数和(自身を含む): 33812414064

約数和(自身を除く): 13530844689

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 1875, 3041, 3557, 9123, 10671, 15205, 17785, 45615, 53355, 76025, 88925, 228075, 266775, 380125, 444625, 1140375, 1333875, 1900625, 2223125, 5701875, 6669375, 10816837, 32450511, 54084185, 162252555, 270420925, 811262775, 1352104625, 4056313875, 6760523125, 20281569375]

約数ペア:

[(1, 20281569375), (3, 6760523125), (5, 4056313875), (15, 1352104625), (25, 811262775), (75, 270420925), (125, 162252555), (375, 54084185), (625, 32450511), (1875, 10816837), (3041, 6669375), (3557, 5701875), (9123, 2223125), (10671, 1900625), (15205, 1333875), (17785, 1140375), (45615, 444625), (53355, 380125), (76025, 266775), (88925, 228075)]