20580619312

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{6271}}^1$

素因数の和:6962

約数の個数: 80

約数和(自身を含む): 45077114880

約数和(自身を除く): 24496495568

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 232, 319, 464, 638, 643, 1276, 1286, 2552, 2572, 5104, 5144, 6271, 7073, 10288, 12542, 14146, 18647, 25084, 28292, 37294, 50168, 56584, 68981, 74588, 100336, 113168, 137962, 149176, 181859, 205117, 275924, 298352, 363718, 410234, 551848, 727436, 820468, 1103696, 1454872, 1640936, 2000449, 2909744, 3281872, 4000898, 4032253, 8001796, 8064506, 16003592, 16129012, 32007184, 32258024, 44354783, 64516048, 88709566, 116935337, 177419132, 233870674, 354838264, 467741348, 709676528, 935482696, 1286288707, 1870965392, 2572577414, 5145154828, 10290309656, 20580619312]

約数ペア:

[(1, 20580619312), (2, 10290309656), (4, 5145154828), (8, 2572577414), (11, 1870965392), (16, 1286288707), (22, 935482696), (29, 709676528), (44, 467741348), (58, 354838264), (88, 233870674), (116, 177419132), (176, 116935337), (232, 88709566), (319, 64516048), (464, 44354783), (638, 32258024), (643, 32007184), (1276, 16129012), (1286, 16003592), (2552, 8064506), (2572, 8001796), (5104, 4032253), (5144, 4000898), (6271, 3281872), (7073, 2909744), (10288, 2000449), (12542, 1640936), (14146, 1454872), (18647, 1103696), (25084, 820468), (28292, 727436), (37294, 551848), (50168, 410234), (56584, 363718), (68981, 298352), (74588, 275924), (100336, 205117), (113168, 181859), (137962, 149176)]