20156799

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{479}}^1$

素因数の和:591

約数の個数: 24

約数和(自身を含む): 29514240

約数和(自身を除く): 9357441

約数列:

[1, 3, 13, 39, 83, 169, 249, 479, 507, 1079, 1437, 3237, 6227, 14027, 18681, 39757, 42081, 80951, 119271, 242853, 516841, 1550523, 6718933, 20156799]

約数ペア:

[(1, 20156799), (3, 6718933), (13, 1550523), (39, 516841), (83, 242853), (169, 119271), (249, 80951), (479, 42081), (507, 39757), (1079, 18681), (1437, 14027), (3237, 6227)]