20552667865

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1\times {\mathrm{18287}}^1$

素因数の和:18681

約数の個数: 32

約数和(自身を含む): 26703406080

約数和(自身を除く): 6150738215

約数列:

[1, 5, 23, 29, 115, 145, 337, 667, 1685, 3335, 7751, 9773, 18287, 38755, 48865, 91435, 224779, 420601, 530323, 1123895, 2103005, 2651615, 6162719, 12197429, 30813595, 60987145, 141742537, 178718851, 708712685, 893594255, 4110533573, 20552667865]

約数ペア:

[(1, 20552667865), (5, 4110533573), (23, 893594255), (29, 708712685), (115, 178718851), (145, 141742537), (337, 60987145), (667, 30813595), (1685, 12197429), (3335, 6162719), (7751, 2651615), (9773, 2103005), (18287, 1123895), (38755, 530323), (48865, 420601), (91435, 224779)]