20213918

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{25849}}^1$

素因数の和:25891

約数の個数: 16

約数和(自身を含む): 33501600

約数和(自身を除く): 13287682

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 25849, 51698, 439433, 594527, 878866, 1189054, 10106959, 20213918]

約数ペア:

[(1, 20213918), (2, 10106959), (17, 1189054), (23, 878866), (34, 594527), (46, 439433), (391, 51698), (782, 25849)]