20880129021

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{65449}}^1$

素因数の和:65693

約数の個数: 32

約数和(自身を含む): 30473520000

約数和(自身を除く): 9593390979

約数列:

[1, 3, 19, 29, 57, 87, 193, 551, 579, 1653, 3667, 5597, 11001, 16791, 65449, 106343, 196347, 319029, 1243531, 1898021, 3730593, 5694063, 12631657, 36062399, 37894971, 108187197, 240001483, 366318053, 720004449, 1098954159, 6960043007, 20880129021]

約数ペア:

[(1, 20880129021), (3, 6960043007), (19, 1098954159), (29, 720004449), (57, 366318053), (87, 240001483), (193, 108187197), (551, 37894971), (579, 36062399), (1653, 12631657), (3667, 5694063), (5597, 3730593), (11001, 1898021), (16791, 1243531), (65449, 319029), (106343, 196347)]