20830878

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:366

約数の個数: 64

約数和(自身を含む): 49536000

約数和(自身を除く): 28705122

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 79, 114, 158, 171, 237, 257, 342, 474, 513, 514, 711, 771, 1026, 1422, 1501, 1542, 2133, 2313, 3002, 4266, 4503, 4626, 4883, 6939, 9006, 9766, 13509, 13878, 14649, 20303, 27018, 29298, 40527, 40606, 43947, 60909, 81054, 87894, 121818, 131841, 182727, 263682, 365454, 385757, 548181, 771514, 1096362, 1157271, 2314542, 3471813, 6943626, 10415439, 20830878]

約数ペア:

[(1, 20830878), (2, 10415439), (3, 6943626), (6, 3471813), (9, 2314542), (18, 1157271), (19, 1096362), (27, 771514), (38, 548181), (54, 385757), (57, 365454), (79, 263682), (114, 182727), (158, 131841), (171, 121818), (237, 87894), (257, 81054), (342, 60909), (474, 43947), (513, 40606), (514, 40527), (711, 29298), (771, 27018), (1026, 20303), (1422, 14649), (1501, 13878), (1542, 13509), (2133, 9766), (2313, 9006), (3002, 6939), (4266, 4883), (4503, 4626)]