20620764

素因数分解:

$2^2\times 3^3\times {\mathrm{431}}^1\times {\mathrm{443}}^1$

素因数の和:887

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 33085476

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 431, 443, 862, 886, 1293, 1329, 1724, 1772, 2586, 2658, 3879, 3987, 5172, 5316, 7758, 7974, 11637, 11961, 15516, 15948, 23274, 23922, 46548, 47844, 190933, 381866, 572799, 763732, 1145598, 1718397, 2291196, 3436794, 5155191, 6873588, 10310382, 20620764]

約数ペア:

[(1, 20620764), (2, 10310382), (3, 6873588), (4, 5155191), (6, 3436794), (9, 2291196), (12, 1718397), (18, 1145598), (27, 763732), (36, 572799), (54, 381866), (108, 190933), (431, 47844), (443, 46548), (862, 23922), (886, 23274), (1293, 15948), (1329, 15516), (1724, 11961), (1772, 11637), (2586, 7974), (2658, 7758), (3879, 5316), (3987, 5172)]