20831755

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 29611008

約数和(自身を除く): 8779253

約数列:

[1, 5, 7, 35, 71, 83, 101, 355, 415, 497, 505, 581, 707, 2485, 2905, 3535, 5893, 7171, 8383, 29465, 35855, 41251, 41915, 50197, 58681, 206255, 250985, 293405, 595193, 2975965, 4166351, 20831755]

約数ペア:

[(1, 20831755), (5, 4166351), (7, 2975965), (35, 595193), (71, 293405), (83, 250985), (101, 206255), (355, 58681), (415, 50197), (497, 41915), (505, 41251), (581, 35855), (707, 29465), (2485, 8383), (2905, 7171), (3535, 5893)]