20258325

素因数分解:

$3^2\times 5^2\times {\mathrm{179}}^1\times {\mathrm{503}}^1$

素因数の和:698

約数の個数: 36

約数和(自身を含む): 36560160

約数和(自身を除く): 16301835

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 179, 225, 503, 537, 895, 1509, 1611, 2515, 2685, 4475, 4527, 7545, 8055, 12575, 13425, 22635, 37725, 40275, 90037, 113175, 270111, 450185, 810333, 1350555, 2250925, 4051665, 6752775, 20258325]

約数ペア:

[(1, 20258325), (3, 6752775), (5, 4051665), (9, 2250925), (15, 1350555), (25, 810333), (45, 450185), (75, 270111), (179, 113175), (225, 90037), (503, 40275), (537, 37725), (895, 22635), (1509, 13425), (1611, 12575), (2515, 8055), (2685, 7545), (4475, 4527)]