20147685921

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{234191}}^1$

素因数の和:234298

約数の個数: 36

約数和(自身を含む): 32393437440

約数和(自身を除く): 12245751519

約数列:

[1, 3, 9, 11, 33, 79, 99, 121, 237, 363, 711, 869, 1089, 2607, 7821, 9559, 28677, 86031, 234191, 702573, 2107719, 2576101, 7728303, 18501089, 23184909, 28337111, 55503267, 85011333, 166509801, 203511979, 255033999, 610535937, 1831607811, 2238631769, 6715895307, 20147685921]

約数ペア:

[(1, 20147685921), (3, 6715895307), (9, 2238631769), (11, 1831607811), (33, 610535937), (79, 255033999), (99, 203511979), (121, 166509801), (237, 85011333), (363, 55503267), (711, 28337111), (869, 23184909), (1089, 18501089), (2607, 7728303), (7821, 2576101), (9559, 2107719), (28677, 702573), (86031, 234191)]