20216868

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{240677}}^1$

素因数の和:240691

約数の個数: 24

約数和(自身を含む): 53911872

約数和(自身を除く): 33695004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 240677, 481354, 722031, 962708, 1444062, 1684739, 2888124, 3369478, 5054217, 6738956, 10108434, 20216868]

約数ペア:

[(1, 20216868), (2, 10108434), (3, 6738956), (4, 5054217), (6, 3369478), (7, 2888124), (12, 1684739), (14, 1444062), (21, 962708), (28, 722031), (42, 481354), (84, 240677)]