20583375

素因数分解:

$3^1\times 5^3\times {\mathrm{131}}^1\times {\mathrm{419}}^1$

素因数の和:568

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 14011185

約数列:

[1, 3, 5, 15, 25, 75, 125, 131, 375, 393, 419, 655, 1257, 1965, 2095, 3275, 6285, 9825, 10475, 16375, 31425, 49125, 52375, 54889, 157125, 164667, 274445, 823335, 1372225, 4116675, 6861125, 20583375]

約数ペア:

[(1, 20583375), (3, 6861125), (5, 4116675), (15, 1372225), (25, 823335), (75, 274445), (125, 164667), (131, 157125), (375, 54889), (393, 52375), (419, 49125), (655, 31425), (1257, 16375), (1965, 10475), (2095, 9825), (3275, 6285)]