20631255568

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2392307}}^1$

素因数の和:2392340

約数の個数: 60

約数和(自身を含む): 50726498832

約数和(自身を除く): 30095243264

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 49, 56, 77, 88, 98, 112, 154, 176, 196, 308, 392, 539, 616, 784, 1078, 1232, 2156, 4312, 8624, 2392307, 4784614, 9569228, 16746149, 19138456, 26315377, 33492298, 38276912, 52630754, 66984596, 105261508, 117223043, 133969192, 184207639, 210523016, 234446086, 267938384, 368415278, 421046032, 468892172, 736830556, 937784344, 1289453473, 1473661112, 1875568688, 2578906946, 2947322224, 5157813892, 10315627784, 20631255568]

約数ペア:

[(1, 20631255568), (2, 10315627784), (4, 5157813892), (7, 2947322224), (8, 2578906946), (11, 1875568688), (14, 1473661112), (16, 1289453473), (22, 937784344), (28, 736830556), (44, 468892172), (49, 421046032), (56, 368415278), (77, 267938384), (88, 234446086), (98, 210523016), (112, 184207639), (154, 133969192), (176, 117223043), (196, 105261508), (308, 66984596), (392, 52630754), (539, 38276912), (616, 33492298), (784, 26315377), (1078, 19138456), (1232, 16746149), (2156, 9569228), (4312, 4784614), (8624, 2392307)]