20750025

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^2\times {\mathrm{523}}^1$

素因数の和:582

約数の個数: 36

約数和(自身を含む): 35931728

約数和(自身を除く): 15181703

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 523, 529, 575, 1569, 1587, 1725, 2615, 2645, 7845, 7935, 12029, 13075, 13225, 36087, 39225, 39675, 60145, 180435, 276667, 300725, 830001, 902175, 1383335, 4150005, 6916675, 20750025]

約数ペア:

[(1, 20750025), (3, 6916675), (5, 4150005), (15, 1383335), (23, 902175), (25, 830001), (69, 300725), (75, 276667), (115, 180435), (345, 60145), (523, 39675), (529, 39225), (575, 36087), (1569, 13225), (1587, 13075), (1725, 12029), (2615, 7935), (2645, 7845)]