20637230

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2311}}^1$

素因数の和:2384

約数の個数: 32

約数和(自身を含む): 39951360

約数和(自身を除く): 19314130

約数列:

[1, 2, 5, 10, 19, 38, 47, 94, 95, 190, 235, 470, 893, 1786, 2311, 4465, 4622, 8930, 11555, 23110, 43909, 87818, 108617, 217234, 219545, 439090, 543085, 1086170, 2063723, 4127446, 10318615, 20637230]

約数ペア:

[(1, 20637230), (2, 10318615), (5, 4127446), (10, 2063723), (19, 1086170), (38, 543085), (47, 439090), (94, 219545), (95, 217234), (190, 108617), (235, 87818), (470, 43909), (893, 23110), (1786, 11555), (2311, 8930), (4465, 4622)]