20219548895

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1129}}^1\times {\mathrm{5623}}^1$

素因数の和:6784

約数の個数: 48

約数和(自身を含む): 30428314560

約数和(自身を除く): 10208765665

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 1129, 3185, 5623, 5645, 7903, 14677, 28115, 39361, 39515, 55321, 73099, 73385, 102739, 196805, 275527, 276605, 365495, 511693, 513695, 719173, 1377635, 2558465, 3581851, 3595865, 6348367, 17909255, 31741835, 44438569, 82528771, 222192845, 311069983, 412643855, 577701397, 1555349915, 2888506985, 4043909779, 20219548895]

約数ペア:

[(1, 20219548895), (5, 4043909779), (7, 2888506985), (13, 1555349915), (35, 577701397), (49, 412643855), (65, 311069983), (91, 222192845), (245, 82528771), (455, 44438569), (637, 31741835), (1129, 17909255), (3185, 6348367), (5623, 3595865), (5645, 3581851), (7903, 2558465), (14677, 1377635), (28115, 719173), (39361, 513695), (39515, 511693), (55321, 365495), (73099, 276605), (73385, 275527), (102739, 196805)]