20039425

素因数分解:

$5^2\times 7^1\times {\mathrm{307}}^1\times {\mathrm{373}}^1$

素因数の和:697

約数の個数: 24

約数和(自身を含む): 28567616

約数和(自身を除く): 8528191

約数列:

[1, 5, 7, 25, 35, 175, 307, 373, 1535, 1865, 2149, 2611, 7675, 9325, 10745, 13055, 53725, 65275, 114511, 572555, 801577, 2862775, 4007885, 20039425]

約数ペア:

[(1, 20039425), (5, 4007885), (7, 2862775), (25, 801577), (35, 572555), (175, 114511), (307, 65275), (373, 53725), (1535, 13055), (1865, 10745), (2149, 9325), (2611, 7675)]