20465508608

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{461}}^1\times {\mathrm{9127}}^1$

素因数の和:9623

約数の個数: 72

約数和(自身を含む): 43099129920

約数和(自身を除く): 22633621312

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 461, 608, 922, 1216, 1844, 2432, 3688, 4864, 7376, 8759, 9127, 14752, 17518, 18254, 29504, 35036, 36508, 59008, 70072, 73016, 118016, 140144, 146032, 173413, 280288, 292064, 346826, 560576, 584128, 693652, 1121152, 1168256, 1387304, 2242304, 2336512, 2774608, 4207547, 5549216, 8415094, 11098432, 16830188, 22196864, 33660376, 44393728, 67320752, 79943393, 134641504, 159886786, 269283008, 319773572, 538566016, 639547144, 1077132032, 1279094288, 2558188576, 5116377152, 10232754304, 20465508608]

約数ペア:

[(1, 20465508608), (2, 10232754304), (4, 5116377152), (8, 2558188576), (16, 1279094288), (19, 1077132032), (32, 639547144), (38, 538566016), (64, 319773572), (76, 269283008), (128, 159886786), (152, 134641504), (256, 79943393), (304, 67320752), (461, 44393728), (608, 33660376), (922, 22196864), (1216, 16830188), (1844, 11098432), (2432, 8415094), (3688, 5549216), (4864, 4207547), (7376, 2774608), (8759, 2336512), (9127, 2242304), (14752, 1387304), (17518, 1168256), (18254, 1121152), (29504, 693652), (35036, 584128), (36508, 560576), (59008, 346826), (70072, 292064), (73016, 280288), (118016, 173413), (140144, 146032)]