20515068

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{81409}}^1$

素因数の和:81426

約数の個数: 36

約数和(自身を含む): 59266480

約数和(自身を除く): 38751412

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 81409, 162818, 244227, 325636, 488454, 569863, 732681, 976908, 1139726, 1465362, 1709589, 2279452, 2930724, 3419178, 5128767, 6838356, 10257534, 20515068]

約数ペア:

[(1, 20515068), (2, 10257534), (3, 6838356), (4, 5128767), (6, 3419178), (7, 2930724), (9, 2279452), (12, 1709589), (14, 1465362), (18, 1139726), (21, 976908), (28, 732681), (36, 569863), (42, 488454), (63, 325636), (84, 244227), (126, 162818), (252, 81409)]