20735300

素因数分解:

$2^2\times 5^2\times {\mathrm{101}}^1\times {\mathrm{2053}}^1$

素因数の和:2168

約数の個数: 36

約数和(自身を含む): 45463236

約数和(自身を除く): 24727936

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 101, 202, 404, 505, 1010, 2020, 2053, 2525, 4106, 5050, 8212, 10100, 10265, 20530, 41060, 51325, 102650, 205300, 207353, 414706, 829412, 1036765, 2073530, 4147060, 5183825, 10367650, 20735300]

約数ペア:

[(1, 20735300), (2, 10367650), (4, 5183825), (5, 4147060), (10, 2073530), (20, 1036765), (25, 829412), (50, 414706), (100, 207353), (101, 205300), (202, 102650), (404, 51325), (505, 41060), (1010, 20530), (2020, 10265), (2053, 10100), (2525, 8212), (4106, 5050)]