20009473904

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{823}}^1\times {\mathrm{5867}}^1$

素因数の和:6742

約数の個数: 80

約数和(自身を含む): 45567226368

約数和(自身を除く): 25557752464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 823, 1036, 1646, 2072, 3292, 4144, 5761, 5867, 6584, 11522, 11734, 13168, 23044, 23468, 30451, 41069, 46088, 46936, 60902, 82138, 92176, 93872, 121804, 164276, 213157, 217079, 243608, 328552, 426314, 434158, 487216, 657104, 852628, 868316, 1519553, 1705256, 1736632, 3039106, 3410512, 3473264, 4828541, 6078212, 9657082, 12156424, 19314164, 24312848, 33799787, 38628328, 67599574, 77256656, 135199148, 178656017, 270398296, 357312034, 540796592, 714624068, 1250592119, 1429248136, 2501184238, 2858496272, 5002368476, 10004736952, 20009473904]

約数ペア:

[(1, 20009473904), (2, 10004736952), (4, 5002368476), (7, 2858496272), (8, 2501184238), (14, 1429248136), (16, 1250592119), (28, 714624068), (37, 540796592), (56, 357312034), (74, 270398296), (112, 178656017), (148, 135199148), (259, 77256656), (296, 67599574), (518, 38628328), (592, 33799787), (823, 24312848), (1036, 19314164), (1646, 12156424), (2072, 9657082), (3292, 6078212), (4144, 4828541), (5761, 3473264), (5867, 3410512), (6584, 3039106), (11522, 1736632), (11734, 1705256), (13168, 1519553), (23044, 868316), (23468, 852628), (30451, 657104), (41069, 487216), (46088, 434158), (46936, 426314), (60902, 328552), (82138, 243608), (92176, 217079), (93872, 213157), (121804, 164276)]