20256375

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2843}}^1$

素因数の和:2880

約数の個数: 32

約数和(自身を含む): 35493120

約数和(自身を除く): 15236745

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 2843, 7125, 8529, 14215, 42645, 54017, 71075, 162051, 213225, 270085, 355375, 810255, 1066125, 1350425, 4051275, 6752125, 20256375]

約数ペア:

[(1, 20256375), (3, 6752125), (5, 4051275), (15, 1350425), (19, 1066125), (25, 810255), (57, 355375), (75, 270085), (95, 213225), (125, 162051), (285, 71075), (375, 54017), (475, 42645), (1425, 14215), (2375, 8529), (2843, 7125)]