20818612

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{283}}^1\times {\mathrm{347}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 37358496

約数和(自身を除く): 16539884

約数列:

[1, 2, 4, 53, 106, 212, 283, 347, 566, 694, 1132, 1388, 14999, 18391, 29998, 36782, 59996, 73564, 98201, 196402, 392804, 5204653, 10409306, 20818612]

約数ペア:

[(1, 20818612), (2, 10409306), (4, 5204653), (53, 392804), (106, 196402), (212, 98201), (283, 73564), (347, 59996), (566, 36782), (694, 29998), (1132, 18391), (1388, 14999)]