20197802097

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1129}}^1\times {\mathrm{1151}}^1$

素因数の和:2454

約数の個数: 48

約数和(自身を含む): 32085780480

約数和(自身を除く): 11887978383

約数列:

[1, 3, 9, 11, 33, 99, 157, 471, 1129, 1151, 1413, 1727, 3387, 3453, 5181, 10161, 10359, 12419, 12661, 15543, 37257, 37983, 111771, 113949, 177253, 180707, 531759, 542121, 1299479, 1595277, 1626363, 1949783, 1987777, 3898437, 5849349, 5963331, 11695311, 14294269, 17548047, 17889993, 42882807, 128648421, 204018203, 612054609, 1836163827, 2244200233, 6732600699, 20197802097]

約数ペア:

[(1, 20197802097), (3, 6732600699), (9, 2244200233), (11, 1836163827), (33, 612054609), (99, 204018203), (157, 128648421), (471, 42882807), (1129, 17889993), (1151, 17548047), (1413, 14294269), (1727, 11695311), (3387, 5963331), (3453, 5849349), (5181, 3898437), (10161, 1987777), (10359, 1949783), (12419, 1626363), (12661, 1595277), (15543, 1299479), (37257, 542121), (37983, 531759), (111771, 180707), (113949, 177253)]