20199876543

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{52901}}^1$

素因数の和:52973

約数の個数: 96

約数和(自身を含む): 39613017600

約数和(自身を除く): 19413141057

約数列:

[1, 3, 7, 9, 11, 19, 21, 29, 33, 57, 63, 77, 87, 99, 133, 171, 203, 209, 231, 261, 319, 399, 551, 609, 627, 693, 957, 1197, 1463, 1653, 1827, 1881, 2233, 2871, 3857, 4389, 4959, 6061, 6699, 11571, 13167, 18183, 20097, 34713, 42427, 52901, 54549, 127281, 158703, 370307, 381843, 476109, 581911, 1005119, 1110921, 1534129, 1745733, 3015357, 3332763, 4073377, 4602387, 5237199, 7035833, 9046071, 10738903, 11056309, 12220131, 13807161, 16875419, 21107499, 29148451, 32216709, 33168927, 36660393, 50626257, 63322497, 77394163, 87445353, 96650127, 99506781, 118127933, 151878771, 204039157, 232182489, 262336059, 320632961, 354383799, 612117471, 696547467, 961898883, 1063151397, 1836352413, 2244430727, 2885696649, 6733292181, 20199876543]

約数ペア:

[(1, 20199876543), (3, 6733292181), (7, 2885696649), (9, 2244430727), (11, 1836352413), (19, 1063151397), (21, 961898883), (29, 696547467), (33, 612117471), (57, 354383799), (63, 320632961), (77, 262336059), (87, 232182489), (99, 204039157), (133, 151878771), (171, 118127933), (203, 99506781), (209, 96650127), (231, 87445353), (261, 77394163), (319, 63322497), (399, 50626257), (551, 36660393), (609, 33168927), (627, 32216709), (693, 29148451), (957, 21107499), (1197, 16875419), (1463, 13807161), (1653, 12220131), (1827, 11056309), (1881, 10738903), (2233, 9046071), (2871, 7035833), (3857, 5237199), (4389, 4602387), (4959, 4073377), (6061, 3332763), (6699, 3015357), (11571, 1745733), (13167, 1534129), (18183, 1110921), (20097, 1005119), (34713, 581911), (42427, 476109), (52901, 381843), (54549, 370307), (127281, 158703)]