20407898

素因数分解:

$2^1\times 7^1\times {\mathrm{1013}}^1\times {\mathrm{1439}}^1$

素因数の和:2461

約数の個数: 16

約数和(自身を含む): 35043840

約数和(自身を除く): 14635942

約数列:

[1, 2, 7, 14, 1013, 1439, 2026, 2878, 7091, 10073, 14182, 20146, 1457707, 2915414, 10203949, 20407898]

約数ペア:

[(1, 20407898), (2, 10203949), (7, 2915414), (14, 1457707), (1013, 20146), (1439, 14182), (2026, 10073), (2878, 7091)]