20217065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2467}}^1$

素因数の和:2632

約数の個数: 16

約数和(自身を含む): 26654400

約数和(自身を除く): 6437335

約数列:

[1, 5, 11, 55, 149, 745, 1639, 2467, 8195, 12335, 27137, 135685, 367583, 1837915, 4043413, 20217065]

約数ペア:

[(1, 20217065), (5, 4043413), (11, 1837915), (55, 367583), (149, 135685), (745, 27137), (1639, 12335), (2467, 8195)]