20543061

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{787}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 34495488

約数和(自身を除く): 13952427

約数列:

[1, 3, 7, 11, 21, 33, 77, 113, 231, 339, 787, 791, 1243, 2361, 2373, 3729, 5509, 8657, 8701, 16527, 25971, 26103, 60599, 88931, 181797, 266793, 622517, 978241, 1867551, 2934723, 6847687, 20543061]

約数ペア:

[(1, 20543061), (3, 6847687), (7, 2934723), (11, 1867551), (21, 978241), (33, 622517), (77, 266793), (113, 181797), (231, 88931), (339, 60599), (787, 26103), (791, 25971), (1243, 16527), (2361, 8701), (2373, 8657), (3729, 5509)]