20168172

素因数分解:

$2^2\times 3^2\times {\mathrm{560227}}^1$

素因数の和:560237

約数の個数: 18

約数和(自身を含む): 50980748

約数和(自身を除く): 30812576

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560227, 1120454, 1680681, 2240908, 3361362, 5042043, 6722724, 10084086, 20168172]

約数ペア:

[(1, 20168172), (2, 10084086), (3, 6722724), (4, 5042043), (6, 3361362), (9, 2240908), (12, 1680681), (18, 1120454), (36, 560227)]