20852384

素因数分解:

$2^5\times 7^1\times {\mathrm{127}}^1\times {\mathrm{733}}^1$

素因数の和:877

約数の個数: 48

約数和(自身を含む): 47351808

約数和(自身を除く): 26499424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 127, 224, 254, 508, 733, 889, 1016, 1466, 1778, 2032, 2932, 3556, 4064, 5131, 5864, 7112, 10262, 11728, 14224, 20524, 23456, 28448, 41048, 82096, 93091, 164192, 186182, 372364, 651637, 744728, 1303274, 1489456, 2606548, 2978912, 5213096, 10426192, 20852384]

約数ペア:

[(1, 20852384), (2, 10426192), (4, 5213096), (7, 2978912), (8, 2606548), (14, 1489456), (16, 1303274), (28, 744728), (32, 651637), (56, 372364), (112, 186182), (127, 164192), (224, 93091), (254, 82096), (508, 41048), (733, 28448), (889, 23456), (1016, 20524), (1466, 14224), (1778, 11728), (2032, 10262), (2932, 7112), (3556, 5864), (4064, 5131)]