20989901136

素因数分解:

$2^4\times 3^1\times {\mathrm{2909}}^1\times {\mathrm{150323}}^1$

素因数の和:153243

約数の個数: 40

約数和(自身を含む): 54242912160

約数和(自身を除く): 33253011024

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 2909, 5818, 8727, 11636, 17454, 23272, 34908, 46544, 69816, 139632, 150323, 300646, 450969, 601292, 901938, 1202584, 1803876, 2405168, 3607752, 7215504, 437289607, 874579214, 1311868821, 1749158428, 2623737642, 3498316856, 5247475284, 6996633712, 10494950568, 20989901136]

約数ペア:

[(1, 20989901136), (2, 10494950568), (3, 6996633712), (4, 5247475284), (6, 3498316856), (8, 2623737642), (12, 1749158428), (16, 1311868821), (24, 874579214), (48, 437289607), (2909, 7215504), (5818, 3607752), (8727, 2405168), (11636, 1803876), (17454, 1202584), (23272, 901938), (34908, 601292), (46544, 450969), (69816, 300646), (139632, 150323)]