20725125

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{3251}}^1$

素因数の和:3286

約数の個数: 32

約数和(自身を含む): 36526464

約数和(自身を除く): 15801339

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 3251, 6375, 9753, 16255, 48765, 55267, 81275, 165801, 243825, 276335, 406375, 829005, 1219125, 1381675, 4145025, 6908375, 20725125]

約数ペア:

[(1, 20725125), (3, 6908375), (5, 4145025), (15, 1381675), (17, 1219125), (25, 829005), (51, 406375), (75, 276335), (85, 243825), (125, 165801), (255, 81275), (375, 55267), (425, 48765), (1275, 16255), (2125, 9753), (3251, 6375)]