20711379

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 31596544

約数和(自身を除く): 10885165

約数列:

[1, 3, 13, 31, 37, 39, 93, 111, 403, 463, 481, 1147, 1209, 1389, 1443, 3441, 6019, 14353, 14911, 17131, 18057, 43059, 44733, 51393, 186589, 222703, 531061, 559767, 668109, 1593183, 6903793, 20711379]

約数ペア:

[(1, 20711379), (3, 6903793), (13, 1593183), (31, 668109), (37, 559767), (39, 531061), (93, 222703), (111, 186589), (403, 51393), (463, 44733), (481, 43059), (1147, 18057), (1209, 17131), (1389, 14911), (1443, 14353), (3441, 6019)]