20121635900

素因数分解:

$2^2\times 5^2\times {\mathrm{443}}^1\times {\mathrm{454213}}^1$

素因数の和:454670

約数の個数: 36

約数和(自身を含む): 43762610472

約数和(自身を除く): 23640974572

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 443, 886, 1772, 2215, 4430, 8860, 11075, 22150, 44300, 454213, 908426, 1816852, 2271065, 4542130, 9084260, 11355325, 22710650, 45421300, 201216359, 402432718, 804865436, 1006081795, 2012163590, 4024327180, 5030408975, 10060817950, 20121635900]

約数ペア:

[(1, 20121635900), (2, 10060817950), (4, 5030408975), (5, 4024327180), (10, 2012163590), (20, 1006081795), (25, 804865436), (50, 402432718), (100, 201216359), (443, 45421300), (886, 22710650), (1772, 11355325), (2215, 9084260), (4430, 4542130), (8860, 2271065), (11075, 1816852), (22150, 908426), (44300, 454213)]