20960388

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1181}}^1$

素因数の和:1237

約数の個数: 72

約数和(自身を含む): 58083480

約数和(自身を除く): 37123092

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 29, 34, 36, 51, 58, 68, 87, 102, 116, 153, 174, 204, 261, 306, 348, 493, 522, 612, 986, 1044, 1181, 1479, 1972, 2362, 2958, 3543, 4437, 4724, 5916, 7086, 8874, 10629, 14172, 17748, 20077, 21258, 34249, 40154, 42516, 60231, 68498, 80308, 102747, 120462, 136996, 180693, 205494, 240924, 308241, 361386, 410988, 582233, 616482, 722772, 1164466, 1232964, 1746699, 2328932, 3493398, 5240097, 6986796, 10480194, 20960388]

約数ペア:

[(1, 20960388), (2, 10480194), (3, 6986796), (4, 5240097), (6, 3493398), (9, 2328932), (12, 1746699), (17, 1232964), (18, 1164466), (29, 722772), (34, 616482), (36, 582233), (51, 410988), (58, 361386), (68, 308241), (87, 240924), (102, 205494), (116, 180693), (153, 136996), (174, 120462), (204, 102747), (261, 80308), (306, 68498), (348, 60231), (493, 42516), (522, 40154), (612, 34249), (986, 21258), (1044, 20077), (1181, 17748), (1479, 14172), (1972, 10629), (2362, 8874), (2958, 7086), (3543, 5916), (4437, 4724)]