20079420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{379}}^1\times {\mathrm{883}}^1$

素因数の和:1274

約数の個数: 48

約数和(自身を含む): 56434560

約数和(自身を除く): 36355140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 379, 758, 883, 1137, 1516, 1766, 1895, 2274, 2649, 3532, 3790, 4415, 4548, 5298, 5685, 7580, 8830, 10596, 11370, 13245, 17660, 22740, 26490, 52980, 334657, 669314, 1003971, 1338628, 1673285, 2007942, 3346570, 4015884, 5019855, 6693140, 10039710, 20079420]

約数ペア:

[(1, 20079420), (2, 10039710), (3, 6693140), (4, 5019855), (5, 4015884), (6, 3346570), (10, 2007942), (12, 1673285), (15, 1338628), (20, 1003971), (30, 669314), (60, 334657), (379, 52980), (758, 26490), (883, 22740), (1137, 17660), (1516, 13245), (1766, 11370), (1895, 10596), (2274, 8830), (2649, 7580), (3532, 5685), (3790, 5298), (4415, 4548)]