20512692044

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{3769}}^1$

素因数の和:3979

約数の個数: 72

約数和(自身を含む): 39755373840

約数和(自身を除く): 19242681796

約数列:

[1, 2, 4, 13, 26, 52, 83, 97, 166, 169, 194, 332, 338, 388, 676, 1079, 1261, 2158, 2522, 3769, 4316, 5044, 7538, 8051, 14027, 15076, 16102, 16393, 28054, 32204, 32786, 48997, 56108, 65572, 97994, 104663, 195988, 209326, 312827, 365593, 418652, 625654, 636961, 731186, 1251308, 1273922, 1360619, 1462372, 2547844, 2721238, 4066751, 4752709, 5442476, 8133502, 9505418, 16267004, 19010836, 30344219, 52867763, 60688438, 61785217, 105735526, 121376876, 123570434, 211471052, 247140868, 394474847, 788949694, 1577899388, 5128173011, 10256346022, 20512692044]

約数ペア:

[(1, 20512692044), (2, 10256346022), (4, 5128173011), (13, 1577899388), (26, 788949694), (52, 394474847), (83, 247140868), (97, 211471052), (166, 123570434), (169, 121376876), (194, 105735526), (332, 61785217), (338, 60688438), (388, 52867763), (676, 30344219), (1079, 19010836), (1261, 16267004), (2158, 9505418), (2522, 8133502), (3769, 5442476), (4316, 4752709), (5044, 4066751), (7538, 2721238), (8051, 2547844), (14027, 1462372), (15076, 1360619), (16102, 1273922), (16393, 1251308), (28054, 731186), (32204, 636961), (32786, 625654), (48997, 418652), (56108, 365593), (65572, 312827), (97994, 209326), (104663, 195988)]