20956124

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3449}}^1$

素因数の和:3498

約数の個数: 36

約数和(自身を含む): 44049600

約数和(自身を除く): 23093476

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 196, 217, 434, 868, 1519, 3038, 3449, 6076, 6898, 13796, 24143, 48286, 96572, 106919, 169001, 213838, 338002, 427676, 676004, 748433, 1496866, 2993732, 5239031, 10478062, 20956124]

約数ペア:

[(1, 20956124), (2, 10478062), (4, 5239031), (7, 2993732), (14, 1496866), (28, 748433), (31, 676004), (49, 427676), (62, 338002), (98, 213838), (124, 169001), (196, 106919), (217, 96572), (434, 48286), (868, 24143), (1519, 13796), (3038, 6898), (3449, 6076)]