20045872

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 49496832

約数和(自身を除く): 29450960

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 53, 56, 77, 88, 106, 112, 154, 176, 212, 307, 308, 371, 424, 583, 614, 616, 742, 848, 1166, 1228, 1232, 1484, 2149, 2332, 2456, 2968, 3377, 4081, 4298, 4664, 4912, 5936, 6754, 8162, 8596, 9328, 13508, 16271, 16324, 17192, 23639, 27016, 32542, 32648, 34384, 47278, 54032, 65084, 65296, 94556, 113897, 130168, 178981, 189112, 227794, 260336, 357962, 378224, 455588, 715924, 911176, 1252867, 1431848, 1822352, 2505734, 2863696, 5011468, 10022936, 20045872]

約数ペア:

[(1, 20045872), (2, 10022936), (4, 5011468), (7, 2863696), (8, 2505734), (11, 1822352), (14, 1431848), (16, 1252867), (22, 911176), (28, 715924), (44, 455588), (53, 378224), (56, 357962), (77, 260336), (88, 227794), (106, 189112), (112, 178981), (154, 130168), (176, 113897), (212, 94556), (307, 65296), (308, 65084), (371, 54032), (424, 47278), (583, 34384), (614, 32648), (616, 32542), (742, 27016), (848, 23639), (1166, 17192), (1228, 16324), (1232, 16271), (1484, 13508), (2149, 9328), (2332, 8596), (2456, 8162), (2968, 6754), (3377, 5936), (4081, 4912), (4298, 4664)]