20291625

素因数分解:

$3^2\times 5^3\times {\mathrm{17}}^1\times {\mathrm{1061}}^1$

素因数の和:1099

約数の個数: 48

約数和(自身を含む): 38767248

約数和(自身を除く): 18475623

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 125, 153, 225, 255, 375, 425, 765, 1061, 1125, 1275, 2125, 3183, 3825, 5305, 6375, 9549, 15915, 18037, 19125, 26525, 47745, 54111, 79575, 90185, 132625, 162333, 238725, 270555, 397875, 450925, 811665, 1193625, 1352775, 2254625, 4058325, 6763875, 20291625]

約数ペア:

[(1, 20291625), (3, 6763875), (5, 4058325), (9, 2254625), (15, 1352775), (17, 1193625), (25, 811665), (45, 450925), (51, 397875), (75, 270555), (85, 238725), (125, 162333), (153, 132625), (225, 90185), (255, 79575), (375, 54111), (425, 47745), (765, 26525), (1061, 19125), (1125, 18037), (1275, 15915), (2125, 9549), (3183, 6375), (3825, 5305)]