20494996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{547}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 41428800

約数和(自身を除く): 20933804

約数列:

[1, 2, 4, 17, 19, 29, 34, 38, 58, 68, 76, 116, 323, 493, 547, 551, 646, 986, 1094, 1102, 1292, 1972, 2188, 2204, 9299, 9367, 10393, 15863, 18598, 18734, 20786, 31726, 37196, 37468, 41572, 63452, 176681, 269671, 301397, 353362, 539342, 602794, 706724, 1078684, 1205588, 5123749, 10247498, 20494996]

約数ペア:

[(1, 20494996), (2, 10247498), (4, 5123749), (17, 1205588), (19, 1078684), (29, 706724), (34, 602794), (38, 539342), (58, 353362), (68, 301397), (76, 269671), (116, 176681), (323, 63452), (493, 41572), (547, 37468), (551, 37196), (646, 31726), (986, 20786), (1094, 18734), (1102, 18598), (1292, 15863), (1972, 10393), (2188, 9367), (2204, 9299)]