20667200

素因数分解:

$2^6\times 5^2\times {\mathrm{12917}}^1$

素因数の和:12939

約数の個数: 42

約数和(自身を含む): 50858166

約数和(自身を除く): 30190966

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 12917, 25834, 51668, 64585, 103336, 129170, 206672, 258340, 322925, 413344, 516680, 645850, 826688, 1033360, 1291700, 2066720, 2583400, 4133440, 5166800, 10333600, 20667200]

約数ペア:

[(1, 20667200), (2, 10333600), (4, 5166800), (5, 4133440), (8, 2583400), (10, 2066720), (16, 1291700), (20, 1033360), (25, 826688), (32, 645850), (40, 516680), (50, 413344), (64, 322925), (80, 258340), (100, 206672), (160, 129170), (200, 103336), (320, 64585), (400, 51668), (800, 25834), (1600, 12917)]