20042802

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:365

約数の個数: 80

約数和(自身を含む): 50088192

約数和(自身を除く): 30045390

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 31, 39, 54, 62, 78, 81, 93, 117, 162, 186, 234, 279, 307, 351, 403, 558, 614, 702, 806, 837, 921, 1053, 1209, 1674, 1842, 2106, 2418, 2511, 2763, 3627, 3991, 5022, 5526, 7254, 7982, 8289, 9517, 10881, 11973, 16578, 19034, 21762, 23946, 24867, 28551, 32643, 35919, 49734, 57102, 65286, 71838, 85653, 107757, 123721, 171306, 215514, 247442, 256959, 323271, 371163, 513918, 646542, 742326, 770877, 1113489, 1541754, 2226978, 3340467, 6680934, 10021401, 20042802]

約数ペア:

[(1, 20042802), (2, 10021401), (3, 6680934), (6, 3340467), (9, 2226978), (13, 1541754), (18, 1113489), (26, 770877), (27, 742326), (31, 646542), (39, 513918), (54, 371163), (62, 323271), (78, 256959), (81, 247442), (93, 215514), (117, 171306), (162, 123721), (186, 107757), (234, 85653), (279, 71838), (307, 65286), (351, 57102), (403, 49734), (558, 35919), (614, 32643), (702, 28551), (806, 24867), (837, 23946), (921, 21762), (1053, 19034), (1209, 16578), (1674, 11973), (1842, 10881), (2106, 9517), (2418, 8289), (2511, 7982), (2763, 7254), (3627, 5526), (3991, 5022)]