20966754

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{1109}}^1$

素因数の和:1274

約数の個数: 32

約数和(自身を含む): 44115840

約数和(自身を除く): 23149086

約数列:

[1, 2, 3, 6, 23, 46, 69, 137, 138, 274, 411, 822, 1109, 2218, 3151, 3327, 6302, 6654, 9453, 18906, 25507, 51014, 76521, 151933, 153042, 303866, 455799, 911598, 3494459, 6988918, 10483377, 20966754]

約数ペア:

[(1, 20966754), (2, 10483377), (3, 6988918), (6, 3494459), (23, 911598), (46, 455799), (69, 303866), (137, 153042), (138, 151933), (274, 76521), (411, 51014), (822, 25507), (1109, 18906), (2218, 9453), (3151, 6654), (3327, 6302)]