20686443344

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{313583}}^1$

素因数の和:313648

約数の個数: 80

約数和(自身を含む): 49772052480

約数和(自身を除く): 29085609136

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 38, 56, 62, 76, 112, 124, 133, 152, 217, 248, 266, 304, 434, 496, 532, 589, 868, 1064, 1178, 1736, 2128, 2356, 3472, 4123, 4712, 8246, 9424, 16492, 32984, 65968, 313583, 627166, 1254332, 2195081, 2508664, 4390162, 5017328, 5958077, 8780324, 9721073, 11916154, 17560648, 19442146, 23832308, 35121296, 38884292, 41706539, 47664616, 68047511, 77768584, 83413078, 95329232, 136095022, 155537168, 166826156, 184700387, 272190044, 333652312, 369400774, 544380088, 667304624, 738801548, 1088760176, 1292902709, 1477603096, 2585805418, 2955206192, 5171610836, 10343221672, 20686443344]

約数ペア:

[(1, 20686443344), (2, 10343221672), (4, 5171610836), (7, 2955206192), (8, 2585805418), (14, 1477603096), (16, 1292902709), (19, 1088760176), (28, 738801548), (31, 667304624), (38, 544380088), (56, 369400774), (62, 333652312), (76, 272190044), (112, 184700387), (124, 166826156), (133, 155537168), (152, 136095022), (217, 95329232), (248, 83413078), (266, 77768584), (304, 68047511), (434, 47664616), (496, 41706539), (532, 38884292), (589, 35121296), (868, 23832308), (1064, 19442146), (1178, 17560648), (1736, 11916154), (2128, 9721073), (2356, 8780324), (3472, 5958077), (4123, 5017328), (4712, 4390162), (8246, 2508664), (9424, 2195081), (16492, 1254332), (32984, 627166), (65968, 313583)]