20634224

素因数分解:

$2^4\times {\mathrm{13}}^3\times {\mathrm{587}}^1$

素因数の和:634

約数の個数: 40

約数和(自身を含む): 43382640

約数和(自身を除く): 22748416

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 587, 676, 1174, 1352, 2197, 2348, 2704, 4394, 4696, 7631, 8788, 9392, 15262, 17576, 30524, 35152, 61048, 99203, 122096, 198406, 396812, 793624, 1289639, 1587248, 2579278, 5158556, 10317112, 20634224]

約数ペア:

[(1, 20634224), (2, 10317112), (4, 5158556), (8, 2579278), (13, 1587248), (16, 1289639), (26, 793624), (52, 396812), (104, 198406), (169, 122096), (208, 99203), (338, 61048), (587, 35152), (676, 30524), (1174, 17576), (1352, 15262), (2197, 9392), (2348, 8788), (2704, 7631), (4394, 4696)]