20532470

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41903}}^1$

素因数の和:41924

約数の個数: 24

約数和(自身を含む): 42993504

約数和(自身を除く): 22461034

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 41903, 83806, 209515, 293321, 419030, 586642, 1466605, 2053247, 2933210, 4106494, 10266235, 20532470]

約数ペア:

[(1, 20532470), (2, 10266235), (5, 4106494), (7, 2933210), (10, 2053247), (14, 1466605), (35, 586642), (49, 419030), (70, 293321), (98, 209515), (245, 83806), (490, 41903)]