20149128875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{83911}}^1$

素因数の和:84056

約数の個数: 32

約数和(自身を含む): 26861238144

約数和(自身を除く): 6712109269

約数列:

[1, 5, 17, 25, 85, 113, 125, 425, 565, 1921, 2125, 2825, 9605, 14125, 48025, 83911, 240125, 419555, 1426487, 2097775, 7132435, 9481943, 10488875, 35662175, 47409715, 161193031, 178310875, 237048575, 805965155, 1185242875, 4029825775, 20149128875]

約数ペア:

[(1, 20149128875), (5, 4029825775), (17, 1185242875), (25, 805965155), (85, 237048575), (113, 178310875), (125, 161193031), (425, 47409715), (565, 35662175), (1921, 10488875), (2125, 9481943), (2825, 7132435), (9605, 2097775), (14125, 1426487), (48025, 419555), (83911, 240125)]