20798924288

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{37579}}^1$

素因数の和:37667

約数の個数: 80

約数和(自身を含む): 44287879680

約数和(自身を除く): 23488955392

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 64, 92, 94, 128, 184, 188, 256, 368, 376, 512, 736, 752, 1081, 1472, 1504, 2162, 2944, 3008, 4324, 5888, 6016, 8648, 11776, 12032, 17296, 24064, 34592, 37579, 69184, 75158, 138368, 150316, 276736, 300632, 553472, 601264, 864317, 1202528, 1728634, 1766213, 2405056, 3457268, 3532426, 4810112, 6914536, 7064852, 9620224, 13829072, 14129704, 19240448, 27658144, 28259408, 40622899, 55316288, 56518816, 81245798, 110632576, 113037632, 162491596, 221265152, 226075264, 324983192, 442530304, 452150528, 649966384, 904301056, 1299932768, 2599865536, 5199731072, 10399462144, 20798924288]

約数ペア:

[(1, 20798924288), (2, 10399462144), (4, 5199731072), (8, 2599865536), (16, 1299932768), (23, 904301056), (32, 649966384), (46, 452150528), (47, 442530304), (64, 324983192), (92, 226075264), (94, 221265152), (128, 162491596), (184, 113037632), (188, 110632576), (256, 81245798), (368, 56518816), (376, 55316288), (512, 40622899), (736, 28259408), (752, 27658144), (1081, 19240448), (1472, 14129704), (1504, 13829072), (2162, 9620224), (2944, 7064852), (3008, 6914536), (4324, 4810112), (5888, 3532426), (6016, 3457268), (8648, 2405056), (11776, 1766213), (12032, 1728634), (17296, 1202528), (24064, 864317), (34592, 601264), (37579, 553472), (69184, 300632), (75158, 276736), (138368, 150316)]