20836120

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{3011}}^1$

素因数の和:3195

約数の個数: 32

約数和(自身を含む): 47167920

約数和(自身を除く): 26331800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3011, 3460, 6022, 6920, 12044, 15055, 24088, 30110, 60220, 120440, 520903, 1041806, 2083612, 2604515, 4167224, 5209030, 10418060, 20836120]

約数ペア:

[(1, 20836120), (2, 10418060), (4, 5209030), (5, 4167224), (8, 2604515), (10, 2083612), (20, 1041806), (40, 520903), (173, 120440), (346, 60220), (692, 30110), (865, 24088), (1384, 15055), (1730, 12044), (3011, 6920), (3460, 6022)]