20149487911

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{167911}}^1$

素因数の和:168035

約数の個数: 24

約数和(自身を含む): 24501719040

約数和(自身を除く): 4352231129

約数列:

[1, 7, 31, 49, 79, 217, 553, 1519, 2449, 3871, 17143, 120001, 167911, 1175377, 5205241, 8227639, 13264969, 36436687, 92854783, 255056809, 411214039, 649983481, 2878498273, 20149487911]

約数ペア:

[(1, 20149487911), (7, 2878498273), (31, 649983481), (49, 411214039), (79, 255056809), (217, 92854783), (553, 36436687), (1519, 13264969), (2449, 8227639), (3871, 5205241), (17143, 1175377), (120001, 167911)]