20343459248

素因数分解:

$2^4\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1872557}}^1$

素因数の和:1872669

約数の個数: 40

約数和(自身を含む): 45510649632

約数和(自身を除く): 25167190384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 97, 112, 194, 388, 679, 776, 1358, 1552, 2716, 5432, 10864, 1872557, 3745114, 7490228, 13107899, 14980456, 26215798, 29960912, 52431596, 104863192, 181638029, 209726384, 363276058, 726552116, 1271466203, 1453104232, 2542932406, 2906208464, 5085864812, 10171729624, 20343459248]

約数ペア:

[(1, 20343459248), (2, 10171729624), (4, 5085864812), (7, 2906208464), (8, 2542932406), (14, 1453104232), (16, 1271466203), (28, 726552116), (56, 363276058), (97, 209726384), (112, 181638029), (194, 104863192), (388, 52431596), (679, 29960912), (776, 26215798), (1358, 14980456), (1552, 13107899), (2716, 7490228), (5432, 3745114), (10864, 1872557)]