20087746

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2887}}^1$

素因数の和:2974

約数の個数: 24

約数和(自身を含む): 35557056

約数和(自身を除く): 15469310

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 497, 994, 2887, 3479, 5774, 6958, 20209, 40418, 141463, 204977, 282926, 409954, 1434839, 2869678, 10043873, 20087746]

約数ペア:

[(1, 20087746), (2, 10043873), (7, 2869678), (14, 1434839), (49, 409954), (71, 282926), (98, 204977), (142, 141463), (497, 40418), (994, 20209), (2887, 6958), (3479, 5774)]