10002020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71443}}^1$

素因数の和:71459

約数の個数: 24

約数和(自身を含む): 24005184

約数和(自身を除く): 14003164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 71443, 142886, 285772, 357215, 500101, 714430, 1000202, 1428860, 2000404, 2500505, 5001010, 10002020]

約数ペア:

[(1, 10002020), (2, 5001010), (4, 2500505), (5, 2000404), (7, 1428860), (10, 1000202), (14, 714430), (20, 500101), (28, 357215), (35, 285772), (70, 142886), (140, 71443)]