20131719412

素因数分解:

$2^2\times 7^1\times {\mathrm{18287}}^1\times {\mathrm{39317}}^1$

素因数の和:57615

約数の個数: 24

約数和(自身を含む): 40266664704

約数和(自身を除く): 20134945292

約数列:

[1, 2, 4, 7, 14, 28, 18287, 36574, 39317, 73148, 78634, 128009, 157268, 256018, 275219, 512036, 550438, 1100876, 718989979, 1437979958, 2875959916, 5032929853, 10065859706, 20131719412]

約数ペア:

[(1, 20131719412), (2, 10065859706), (4, 5032929853), (7, 2875959916), (14, 1437979958), (28, 718989979), (18287, 1100876), (36574, 550438), (39317, 512036), (73148, 275219), (78634, 256018), (128009, 157268)]