20012396

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13859}}^1$

素因数の和:13901

約数の個数: 18

約数和(自身を含む): 36964620

約数和(自身を除く): 16952224

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13859, 27718, 55436, 263321, 526642, 1053284, 5003099, 10006198, 20012396]

約数ペア:

[(1, 20012396), (2, 10006198), (4, 5003099), (19, 1053284), (38, 526642), (76, 263321), (361, 55436), (722, 27718), (1444, 13859)]