20274488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{509}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 41126400

約数和(自身を除く): 20851912

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 383, 509, 766, 1018, 1532, 2036, 3064, 4072, 4979, 6617, 9958, 13234, 19916, 26468, 39832, 52936, 194947, 389894, 779788, 1559576, 2534311, 5068622, 10137244, 20274488]

約数ペア:

[(1, 20274488), (2, 10137244), (4, 5068622), (8, 2534311), (13, 1559576), (26, 779788), (52, 389894), (104, 194947), (383, 52936), (509, 39832), (766, 26468), (1018, 19916), (1532, 13234), (2036, 9958), (3064, 6617), (4072, 4979)]