20929402912

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{1231}}^1\times {\mathrm{4391}}^1$

素因数の和:5654

約数の個数: 72

約数和(自身を含む): 45338299776

約数和(自身を除く): 24408896864

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1231, 1936, 2462, 3872, 4391, 4924, 8782, 9848, 13541, 17564, 19696, 27082, 35128, 39392, 48301, 54164, 70256, 96602, 108328, 140512, 148951, 193204, 216656, 297902, 386408, 433312, 531311, 595804, 772816, 1062622, 1191608, 1545632, 2125244, 2383216, 4250488, 4766432, 5405321, 8500976, 10810642, 17001952, 21621284, 43242568, 59458531, 86485136, 118917062, 172970272, 237834124, 475668248, 654043841, 951336496, 1308087682, 1902672992, 2616175364, 5232350728, 10464701456, 20929402912]

約数ペア:

[(1, 20929402912), (2, 10464701456), (4, 5232350728), (8, 2616175364), (11, 1902672992), (16, 1308087682), (22, 951336496), (32, 654043841), (44, 475668248), (88, 237834124), (121, 172970272), (176, 118917062), (242, 86485136), (352, 59458531), (484, 43242568), (968, 21621284), (1231, 17001952), (1936, 10810642), (2462, 8500976), (3872, 5405321), (4391, 4766432), (4924, 4250488), (8782, 2383216), (9848, 2125244), (13541, 1545632), (17564, 1191608), (19696, 1062622), (27082, 772816), (35128, 595804), (39392, 531311), (48301, 433312), (54164, 386408), (70256, 297902), (96602, 216656), (108328, 193204), (140512, 148951)]