20778384

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:133

約数の個数: 160

約数和(自身を含む): 64281600

約数和(自身を除く): 43503216

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 23, 24, 29, 33, 44, 46, 48, 58, 59, 66, 69, 87, 88, 92, 116, 118, 132, 138, 174, 176, 177, 184, 232, 236, 253, 264, 276, 319, 348, 354, 368, 464, 472, 506, 528, 552, 638, 649, 667, 696, 708, 759, 944, 957, 1012, 1104, 1276, 1298, 1334, 1357, 1392, 1416, 1518, 1711, 1914, 1947, 2001, 2024, 2552, 2596, 2668, 2714, 2832, 3036, 3422, 3828, 3894, 4002, 4048, 4071, 5104, 5133, 5192, 5336, 5428, 6072, 6844, 7337, 7656, 7788, 8004, 8142, 10266, 10384, 10672, 10856, 12144, 13688, 14674, 14927, 15312, 15576, 16008, 16284, 18821, 20532, 21712, 22011, 27376, 29348, 29854, 31152, 32016, 32568, 37642, 39353, 41064, 44022, 44781, 56463, 58696, 59708, 65136, 75284, 78706, 82128, 88044, 89562, 112926, 117392, 118059, 119416, 150568, 157412, 176088, 179124, 225852, 236118, 238832, 301136, 314824, 352176, 358248, 432883, 451704, 472236, 629648, 716496, 865766, 903408, 944472, 1298649, 1731532, 1888944, 2597298, 3463064, 5194596, 6926128, 10389192, 20778384]

約数ペア:

[(1, 20778384), (2, 10389192), (3, 6926128), (4, 5194596), (6, 3463064), (8, 2597298), (11, 1888944), (12, 1731532), (16, 1298649), (22, 944472), (23, 903408), (24, 865766), (29, 716496), (33, 629648), (44, 472236), (46, 451704), (48, 432883), (58, 358248), (59, 352176), (66, 314824), (69, 301136), (87, 238832), (88, 236118), (92, 225852), (116, 179124), (118, 176088), (132, 157412), (138, 150568), (174, 119416), (176, 118059), (177, 117392), (184, 112926), (232, 89562), (236, 88044), (253, 82128), (264, 78706), (276, 75284), (319, 65136), (348, 59708), (354, 58696), (368, 56463), (464, 44781), (472, 44022), (506, 41064), (528, 39353), (552, 37642), (638, 32568), (649, 32016), (667, 31152), (696, 29854), (708, 29348), (759, 27376), (944, 22011), (957, 21712), (1012, 20532), (1104, 18821), (1276, 16284), (1298, 16008), (1334, 15576), (1357, 15312), (1392, 14927), (1416, 14674), (1518, 13688), (1711, 12144), (1914, 10856), (1947, 10672), (2001, 10384), (2024, 10266), (2552, 8142), (2596, 8004), (2668, 7788), (2714, 7656), (2832, 7337), (3036, 6844), (3422, 6072), (3828, 5428), (3894, 5336), (4002, 5192), (4048, 5133), (4071, 5104)]