20681917101

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{7759}}^1$

素因数の和:8030

約数の個数: 48

約数和(自身を含む): 31765094400

約数和(自身を除く): 11083177299

約数列:

[1, 3, 9, 23, 69, 79, 163, 207, 237, 489, 711, 1467, 1817, 3749, 5451, 7759, 11247, 12877, 16353, 23277, 33741, 38631, 69831, 115893, 178457, 296171, 535371, 612961, 888513, 1264717, 1606113, 1838883, 2665539, 3794151, 5516649, 11382453, 14098103, 29088491, 42294309, 87265473, 99912643, 126882927, 261796419, 299737929, 899213787, 2297990789, 6893972367, 20681917101]

約数ペア:

[(1, 20681917101), (3, 6893972367), (9, 2297990789), (23, 899213787), (69, 299737929), (79, 261796419), (163, 126882927), (207, 99912643), (237, 87265473), (489, 42294309), (711, 29088491), (1467, 14098103), (1817, 11382453), (3749, 5516649), (5451, 3794151), (7759, 2665539), (11247, 1838883), (12877, 1606113), (16353, 1264717), (23277, 888513), (33741, 612961), (38631, 535371), (69831, 296171), (115893, 178457)]