20398767804

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{617}}^1\times {\mathrm{39929}}^1$

素因数の和:40579

約数の個数: 72

約数和(自身を含む): 53894000160

約数和(自身を除く): 33495232356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 617, 828, 1234, 1851, 2468, 3702, 5553, 7404, 11106, 14191, 22212, 28382, 39929, 42573, 56764, 79858, 85146, 119787, 127719, 159716, 170292, 239574, 255438, 359361, 479148, 510876, 718722, 918367, 1437444, 1836734, 2755101, 3673468, 5510202, 8265303, 11020404, 16530606, 24636193, 33061212, 49272386, 73908579, 98544772, 147817158, 221725737, 295634316, 443451474, 566632439, 886902948, 1133264878, 1699897317, 2266529756, 3399794634, 5099691951, 6799589268, 10199383902, 20398767804]

約数ペア:

[(1, 20398767804), (2, 10199383902), (3, 6799589268), (4, 5099691951), (6, 3399794634), (9, 2266529756), (12, 1699897317), (18, 1133264878), (23, 886902948), (36, 566632439), (46, 443451474), (69, 295634316), (92, 221725737), (138, 147817158), (207, 98544772), (276, 73908579), (414, 49272386), (617, 33061212), (828, 24636193), (1234, 16530606), (1851, 11020404), (2468, 8265303), (3702, 5510202), (5553, 3673468), (7404, 2755101), (11106, 1836734), (14191, 1437444), (22212, 918367), (28382, 718722), (39929, 510876), (42573, 479148), (56764, 359361), (79858, 255438), (85146, 239574), (119787, 170292), (127719, 159716)]