20310650

素因数分解:

$2^1\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1013}}^1$

素因数の和:1426

約数の個数: 24

約数和(自身を含む): 37909404

約数和(自身を除く): 17598754

約数列:

[1, 2, 5, 10, 25, 50, 401, 802, 1013, 2005, 2026, 4010, 5065, 10025, 10130, 20050, 25325, 50650, 406213, 812426, 2031065, 4062130, 10155325, 20310650]

約数ペア:

[(1, 20310650), (2, 10155325), (5, 4062130), (10, 2031065), (25, 812426), (50, 406213), (401, 50650), (802, 25325), (1013, 20050), (2005, 10130), (2026, 10025), (4010, 5065)]