20320352

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{48847}}^1$

素因数の和:48870

約数の個数: 24

約数和(自身を含む): 43083936

約数和(自身を除く): 22763584

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 48847, 97694, 195388, 390776, 635011, 781552, 1270022, 1563104, 2540044, 5080088, 10160176, 20320352]

約数ペア:

[(1, 20320352), (2, 10160176), (4, 5080088), (8, 2540044), (13, 1563104), (16, 1270022), (26, 781552), (32, 635011), (52, 390776), (104, 195388), (208, 97694), (416, 48847)]