20565558784

素因数分解:

$2^9\times {\mathrm{17}}^1\times {\mathrm{2362771}}^1$

素因数の和:2362806

約数の個数: 40

約数和(自身を含む): 43508083608

約数和(自身を除く): 22942524824

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 256, 272, 512, 544, 1088, 2176, 4352, 8704, 2362771, 4725542, 9451084, 18902168, 37804336, 40167107, 75608672, 80334214, 151217344, 160668428, 302434688, 321336856, 604869376, 642673712, 1209738752, 1285347424, 2570694848, 5141389696, 10282779392, 20565558784]

約数ペア:

[(1, 20565558784), (2, 10282779392), (4, 5141389696), (8, 2570694848), (16, 1285347424), (17, 1209738752), (32, 642673712), (34, 604869376), (64, 321336856), (68, 302434688), (128, 160668428), (136, 151217344), (256, 80334214), (272, 75608672), (512, 40167107), (544, 37804336), (1088, 18902168), (2176, 9451084), (4352, 4725542), (8704, 2362771)]