20858376

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11287}}^1$

素因数の和:11314

約数の個数: 64

約数和(自身を含む): 65018880

約数和(自身を除く): 44160504

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11287, 22574, 33861, 45148, 67722, 79009, 90296, 124157, 135444, 158018, 237027, 248314, 270888, 316036, 372471, 474054, 496628, 632072, 744942, 869099, 948108, 993256, 1489884, 1738198, 1896216, 2607297, 2979768, 3476396, 5214594, 6952792, 10429188, 20858376]

約数ペア:

[(1, 20858376), (2, 10429188), (3, 6952792), (4, 5214594), (6, 3476396), (7, 2979768), (8, 2607297), (11, 1896216), (12, 1738198), (14, 1489884), (21, 993256), (22, 948108), (24, 869099), (28, 744942), (33, 632072), (42, 496628), (44, 474054), (56, 372471), (66, 316036), (77, 270888), (84, 248314), (88, 237027), (132, 158018), (154, 135444), (168, 124157), (231, 90296), (264, 79009), (308, 67722), (462, 45148), (616, 33861), (924, 22574), (1848, 11287)]