20280486

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{4339}}^1$

素因数の和:4404

約数の個数: 32

約数和(自身を含む): 43747200

約数和(自身を除く): 23466714

約数列:

[1, 2, 3, 6, 19, 38, 41, 57, 82, 114, 123, 246, 779, 1558, 2337, 4339, 4674, 8678, 13017, 26034, 82441, 164882, 177899, 247323, 355798, 494646, 533697, 1067394, 3380081, 6760162, 10140243, 20280486]

約数ペア:

[(1, 20280486), (2, 10140243), (3, 6760162), (6, 3380081), (19, 1067394), (38, 533697), (41, 494646), (57, 355798), (82, 247323), (114, 177899), (123, 164882), (246, 82441), (779, 26034), (1558, 13017), (2337, 8678), (4339, 4674)]