20967982

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{11261}}^1$

素因数の和:11296

約数の個数: 24

約数和(自身を含む): 38516040

約数和(自身を除く): 17548058

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 11261, 22522, 78827, 157654, 213959, 427918, 551789, 1103578, 1497713, 2995426, 10483991, 20967982]

約数ペア:

[(1, 20967982), (2, 10483991), (7, 2995426), (14, 1497713), (19, 1103578), (38, 551789), (49, 427918), (98, 213959), (133, 157654), (266, 78827), (931, 22522), (1862, 11261)]