20011142

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{30977}}^1$

素因数の和:31015

約数の個数: 16

約数和(自身を含む): 33456240

約数和(自身を除く): 13445098

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 30977, 61954, 526609, 588563, 1053218, 1177126, 10005571, 20011142]

約数ペア:

[(1, 20011142), (2, 10005571), (17, 1177126), (19, 1053218), (34, 588563), (38, 526609), (323, 61954), (646, 30977)]