20385470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41603}}^1$

素因数の和:41624

約数の個数: 24

約数和(自身を含む): 42685704

約数和(自身を除く): 22300234

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41603, 83206, 208015, 291221, 416030, 582442, 1456105, 2038547, 2912210, 4077094, 10192735, 20385470]

約数ペア:

[(1, 20385470), (2, 10192735), (5, 4077094), (7, 2912210), (10, 2038547), (14, 1456105), (35, 582442), (49, 416030), (70, 291221), (98, 208015), (245, 83206), (490, 41603)]