20369786

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:446

約数の個数: 24

約数和(自身を含む): 32712660

約数和(自身を除く): 12342874

約数列:

[1, 2, 19, 38, 89, 178, 317, 361, 634, 722, 1691, 3382, 6023, 12046, 28213, 32129, 56426, 64258, 114437, 228874, 536047, 1072094, 10184893, 20369786]

約数ペア:

[(1, 20369786), (2, 10184893), (19, 1072094), (38, 536047), (89, 228874), (178, 114437), (317, 64258), (361, 56426), (634, 32129), (722, 28213), (1691, 12046), (3382, 6023)]