20009810

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{19427}}^1$

素因数の和:19537

約数の個数: 16

約数和(自身を含む): 36369216

約数和(自身を除く): 16359406

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 19427, 38854, 97135, 194270, 2000981, 4001962, 10004905, 20009810]

約数ペア:

[(1, 20009810), (2, 10004905), (5, 4001962), (10, 2000981), (103, 194270), (206, 97135), (515, 38854), (1030, 19427)]