20575404

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:340

約数の個数: 96

約数和(自身を含む): 57881600

約数和(自身を除く): 37306196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 37, 38, 54, 57, 74, 76, 108, 111, 114, 148, 171, 222, 228, 271, 333, 342, 444, 513, 542, 666, 684, 703, 813, 999, 1026, 1084, 1332, 1406, 1626, 1998, 2052, 2109, 2439, 2812, 3252, 3996, 4218, 4878, 5149, 6327, 7317, 8436, 9756, 10027, 10298, 12654, 14634, 15447, 18981, 20054, 20596, 25308, 29268, 30081, 30894, 37962, 40108, 46341, 60162, 61788, 75924, 90243, 92682, 120324, 139023, 180486, 185364, 190513, 270729, 278046, 360972, 381026, 541458, 556092, 571539, 762052, 1082916, 1143078, 1714617, 2286156, 3429234, 5143851, 6858468, 10287702, 20575404]

約数ペア:

[(1, 20575404), (2, 10287702), (3, 6858468), (4, 5143851), (6, 3429234), (9, 2286156), (12, 1714617), (18, 1143078), (19, 1082916), (27, 762052), (36, 571539), (37, 556092), (38, 541458), (54, 381026), (57, 360972), (74, 278046), (76, 270729), (108, 190513), (111, 185364), (114, 180486), (148, 139023), (171, 120324), (222, 92682), (228, 90243), (271, 75924), (333, 61788), (342, 60162), (444, 46341), (513, 40108), (542, 37962), (666, 30894), (684, 30081), (703, 29268), (813, 25308), (999, 20596), (1026, 20054), (1084, 18981), (1332, 15447), (1406, 14634), (1626, 12654), (1998, 10298), (2052, 10027), (2109, 9756), (2439, 8436), (2812, 7317), (3252, 6327), (3996, 5149), (4218, 4878)]