20034904

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:607

約数の個数: 32

約数和(自身を含む): 38808000

約数和(自身を除く): 18773096

約数列:

[1, 2, 4, 8, 43, 86, 139, 172, 278, 344, 419, 556, 838, 1112, 1676, 3352, 5977, 11954, 18017, 23908, 36034, 47816, 58241, 72068, 116482, 144136, 232964, 465928, 2504363, 5008726, 10017452, 20034904]

約数ペア:

[(1, 20034904), (2, 10017452), (4, 5008726), (8, 2504363), (43, 465928), (86, 232964), (139, 144136), (172, 116482), (278, 72068), (344, 58241), (419, 47816), (556, 36034), (838, 23908), (1112, 18017), (1676, 11954), (3352, 5977)]