20435884

素因数分解:

$2^2\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1451}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 40981248

約数和(自身を除く): 20545364

約数列:

[1, 2, 4, 7, 14, 28, 503, 1006, 1451, 2012, 2902, 3521, 5804, 7042, 10157, 14084, 20314, 40628, 729853, 1459706, 2919412, 5108971, 10217942, 20435884]

約数ペア:

[(1, 20435884), (2, 10217942), (4, 5108971), (7, 2919412), (14, 1459706), (28, 729853), (503, 40628), (1006, 20314), (1451, 14084), (2012, 10157), (2902, 7042), (3521, 5804)]