20172568955

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1423}}^1\times {\mathrm{36821}}^1$

素因数の和:38267

約数の個数: 32

約数和(自身を含む): 30202288128

約数和(自身を除く): 10029719173

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 1423, 7115, 9961, 15653, 36821, 49805, 78265, 109571, 184105, 257747, 405031, 547855, 1288735, 2025155, 2835217, 14176085, 52396283, 261981415, 366773981, 576359113, 1833869905, 2881795565, 4034513791, 20172568955]

約数ペア:

[(1, 20172568955), (5, 4034513791), (7, 2881795565), (11, 1833869905), (35, 576359113), (55, 366773981), (77, 261981415), (385, 52396283), (1423, 14176085), (7115, 2835217), (9961, 2025155), (15653, 1288735), (36821, 547855), (49805, 405031), (78265, 257747), (109571, 184105)]