2001026420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5265859}}^1$

素因数の和:5265887

約数の個数: 24

約数和(自身を含む): 4423322400

約数和(自身を除く): 2422295980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 5265859, 10531718, 21063436, 26329295, 52658590, 100051321, 105317180, 200102642, 400205284, 500256605, 1000513210, 2001026420]

約数ペア:

[(1, 2001026420), (2, 1000513210), (4, 500256605), (5, 400205284), (10, 200102642), (19, 105317180), (20, 100051321), (38, 52658590), (76, 26329295), (95, 21063436), (190, 10531718), (380, 5265859)]