20994088

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{2341}}^1$

素因数の和:2425

約数の個数: 32

約数和(自身を含む): 42156000

約数和(自身を除く): 21161912

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 152, 236, 472, 1121, 2242, 2341, 4484, 4682, 8968, 9364, 18728, 44479, 88958, 138119, 177916, 276238, 355832, 552476, 1104952, 2624261, 5248522, 10497044, 20994088]

約数ペア:

[(1, 20994088), (2, 10497044), (4, 5248522), (8, 2624261), (19, 1104952), (38, 552476), (59, 355832), (76, 276238), (118, 177916), (152, 138119), (236, 88958), (472, 44479), (1121, 18728), (2242, 9364), (2341, 8968), (4484, 4682)]