20356869

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:525

約数の個数: 32

約数和(自身を含む): 31046400

約数和(自身を除く): 10689531

約数列:

[1, 3, 13, 29, 39, 41, 87, 123, 377, 439, 533, 1131, 1189, 1317, 1599, 3567, 5707, 12731, 15457, 17121, 17999, 38193, 46371, 53997, 165503, 233987, 496509, 521971, 701961, 1565913, 6785623, 20356869]

約数ペア:

[(1, 20356869), (3, 6785623), (13, 1565913), (29, 701961), (39, 521971), (41, 496509), (87, 233987), (123, 165503), (377, 53997), (439, 46371), (533, 38193), (1131, 17999), (1189, 17121), (1317, 15457), (1599, 12731), (3567, 5707)]