20979414

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{21991}}^1$

素因数の和:22052

約数の個数: 24

約数和(自身を含む): 46315152

約数和(自身を除く): 25335738

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 21991, 43982, 65973, 131946, 197919, 395838, 1165523, 2331046, 3496569, 6993138, 10489707, 20979414]

約数ペア:

[(1, 20979414), (2, 10489707), (3, 6993138), (6, 3496569), (9, 2331046), (18, 1165523), (53, 395838), (106, 197919), (159, 131946), (318, 65973), (477, 43982), (954, 21991)]