20169975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 38584832

約数和(自身を除く): 18414857

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 103, 105, 175, 309, 373, 515, 525, 721, 1119, 1545, 1865, 2163, 2575, 2611, 3605, 5595, 7725, 7833, 9325, 10815, 13055, 18025, 27975, 38419, 39165, 54075, 65275, 115257, 192095, 195825, 268933, 576285, 806799, 960475, 1344665, 2881425, 4033995, 6723325, 20169975]

約数ペア:

[(1, 20169975), (3, 6723325), (5, 4033995), (7, 2881425), (15, 1344665), (21, 960475), (25, 806799), (35, 576285), (75, 268933), (103, 195825), (105, 192095), (175, 115257), (309, 65275), (373, 54075), (515, 39165), (525, 38419), (721, 27975), (1119, 18025), (1545, 13055), (1865, 10815), (2163, 9325), (2575, 7833), (2611, 7725), (3605, 5595)]