20070890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{40961}}^1$

素因数の和:40982

約数の個数: 24

約数和(自身を含む): 42027012

約数和(自身を除く): 21956122

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 40961, 81922, 204805, 286727, 409610, 573454, 1433635, 2007089, 2867270, 4014178, 10035445, 20070890]

約数ペア:

[(1, 20070890), (2, 10035445), (5, 4014178), (7, 2867270), (10, 2007089), (14, 1433635), (35, 573454), (49, 409610), (70, 286727), (98, 204805), (245, 81922), (490, 40961)]