20076861

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 32237568

約数和(自身を除く): 12160707

約数列:

[1, 3, 7, 21, 23, 69, 161, 197, 211, 483, 591, 633, 1379, 1477, 4137, 4431, 4531, 4853, 13593, 14559, 31717, 33971, 41567, 95151, 101913, 124701, 290969, 872907, 956041, 2868123, 6692287, 20076861]

約数ペア:

[(1, 20076861), (3, 6692287), (7, 2868123), (21, 956041), (23, 872907), (69, 290969), (161, 124701), (197, 101913), (211, 95151), (483, 41567), (591, 33971), (633, 31717), (1379, 14559), (1477, 13593), (4137, 4853), (4431, 4531)]