20179444

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3361}}^1$

素因数の和:3463

約数の個数: 24

約数和(自身を含む): 37654400

約数和(自身を除く): 17474956

約数列:

[1, 2, 4, 19, 38, 76, 79, 158, 316, 1501, 3002, 3361, 6004, 6722, 13444, 63859, 127718, 255436, 265519, 531038, 1062076, 5044861, 10089722, 20179444]

約数ペア:

[(1, 20179444), (2, 10089722), (4, 5044861), (19, 1062076), (38, 531038), (76, 265519), (79, 255436), (158, 127718), (316, 63859), (1501, 13444), (3002, 6722), (3361, 6004)]