20006735

素因数分解:

$5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 28449792

約数和(自身を除く): 8443057

約数列:

[1, 5, 7, 35, 71, 83, 97, 355, 415, 485, 497, 581, 679, 2485, 2905, 3395, 5893, 6887, 8051, 29465, 34435, 40255, 41251, 48209, 56357, 206255, 241045, 281785, 571621, 2858105, 4001347, 20006735]

約数ペア:

[(1, 20006735), (5, 4001347), (7, 2858105), (35, 571621), (71, 281785), (83, 241045), (97, 206255), (355, 56357), (415, 48209), (485, 41251), (497, 40255), (581, 34435), (679, 29465), (2485, 8051), (2905, 6887), (3395, 5893)]