20197016

素因数分解:

$2^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{769}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 44767800

約数和(自身を除く): 24570784

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 67, 98, 134, 196, 268, 392, 469, 536, 769, 938, 1538, 1876, 3076, 3283, 3752, 5383, 6152, 6566, 10766, 13132, 21532, 26264, 37681, 43064, 51523, 75362, 103046, 150724, 206092, 301448, 360661, 412184, 721322, 1442644, 2524627, 2885288, 5049254, 10098508, 20197016]

約数ペア:

[(1, 20197016), (2, 10098508), (4, 5049254), (7, 2885288), (8, 2524627), (14, 1442644), (28, 721322), (49, 412184), (56, 360661), (67, 301448), (98, 206092), (134, 150724), (196, 103046), (268, 75362), (392, 51523), (469, 43064), (536, 37681), (769, 26264), (938, 21532), (1538, 13132), (1876, 10766), (3076, 6566), (3283, 6152), (3752, 5383)]