20275120

素因数分解:

$2^4\times 5^1\times {\mathrm{253439}}^1$

素因数の和:253452

約数の個数: 20

約数和(自身を含む): 47139840

約数和(自身を除く): 26864720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 253439, 506878, 1013756, 1267195, 2027512, 2534390, 4055024, 5068780, 10137560, 20275120]

約数ペア:

[(1, 20275120), (2, 10137560), (4, 5068780), (5, 4055024), (8, 2534390), (10, 2027512), (16, 1267195), (20, 1013756), (40, 506878), (80, 253439)]