20199168045

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{883}}^1\times {\mathrm{8069}}^1$

素因数の和:8976

約数の個数: 80

約数和(自身を含む): 41433575040

約数和(自身を除く): 21234406995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 883, 945, 2649, 2835, 4415, 6181, 7947, 8069, 13245, 18543, 23841, 24207, 30905, 39735, 40345, 55629, 56483, 71523, 72621, 92715, 119205, 121035, 166887, 169449, 217863, 278145, 282415, 357615, 363105, 500661, 508347, 653589, 834435, 847245, 1089315, 1525041, 2503305, 2541735, 3267945, 4575123, 7124927, 7625205, 21374781, 22875615, 35624635, 49874489, 64124343, 106873905, 149623467, 192373029, 249372445, 320621715, 448870401, 577119087, 748117335, 961865145, 1346611203, 2244352005, 2885595435, 4039833609, 6733056015, 20199168045]

約数ペア:

[(1, 20199168045), (3, 6733056015), (5, 4039833609), (7, 2885595435), (9, 2244352005), (15, 1346611203), (21, 961865145), (27, 748117335), (35, 577119087), (45, 448870401), (63, 320621715), (81, 249372445), (105, 192373029), (135, 149623467), (189, 106873905), (315, 64124343), (405, 49874489), (567, 35624635), (883, 22875615), (945, 21374781), (2649, 7625205), (2835, 7124927), (4415, 4575123), (6181, 3267945), (7947, 2541735), (8069, 2503305), (13245, 1525041), (18543, 1089315), (23841, 847245), (24207, 834435), (30905, 653589), (39735, 508347), (40345, 500661), (55629, 363105), (56483, 357615), (71523, 282415), (72621, 278145), (92715, 217863), (119205, 169449), (121035, 166887)]