20577347

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{181}}^1$

素因数の和:446

約数の個数: 16

約数和(自身を含む): 24024000

約数和(自身を除く): 3446653

約数列:

[1, 7, 109, 149, 181, 763, 1043, 1267, 16241, 19729, 26969, 113687, 138103, 188783, 2939621, 20577347]

約数ペア:

[(1, 20577347), (7, 2939621), (109, 188783), (149, 138103), (181, 113687), (763, 26969), (1043, 19729), (1267, 16241)]