20496620

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{35339}}^1$

素因数の和:35377

約数の個数: 24

約数和(自身を含む): 44528400

約数和(自身を除く): 24031780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 35339, 70678, 141356, 176695, 353390, 706780, 1024831, 2049662, 4099324, 5124155, 10248310, 20496620]

約数ペア:

[(1, 20496620), (2, 10248310), (4, 5124155), (5, 4099324), (10, 2049662), (20, 1024831), (29, 706780), (58, 353390), (116, 176695), (145, 141356), (290, 70678), (580, 35339)]