20501103

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{1523}}^1$

素因数の和:2174

約数の個数: 16

約数和(自身を含む): 31309056

約数和(自身を除く): 10807953

約数列:

[1, 3, 7, 21, 641, 1523, 1923, 4487, 4569, 10661, 13461, 31983, 976243, 2928729, 6833701, 20501103]

約数ペア:

[(1, 20501103), (3, 6833701), (7, 2928729), (21, 976243), (641, 31983), (1523, 13461), (1923, 10661), (4487, 4569)]