20440500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13627}}^1$

素因数の和:13649

約数の個数: 48

約数和(自身を含む): 59527104

約数和(自身を除く): 39086604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 13627, 27254, 40881, 54508, 68135, 81762, 136270, 163524, 204405, 272540, 340675, 408810, 681350, 817620, 1022025, 1362700, 1703375, 2044050, 3406750, 4088100, 5110125, 6813500, 10220250, 20440500]

約数ペア:

[(1, 20440500), (2, 10220250), (3, 6813500), (4, 5110125), (5, 4088100), (6, 3406750), (10, 2044050), (12, 1703375), (15, 1362700), (20, 1022025), (25, 817620), (30, 681350), (50, 408810), (60, 340675), (75, 272540), (100, 204405), (125, 163524), (150, 136270), (250, 81762), (300, 68135), (375, 54508), (500, 40881), (750, 27254), (1500, 13627)]