20813984

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{38261}}^1$

素因数の和:38288

約数の個数: 24

約数和(自身を含む): 43389108

約数和(自身を除く): 22575124

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 544, 38261, 76522, 153044, 306088, 612176, 650437, 1224352, 1300874, 2601748, 5203496, 10406992, 20813984]

約数ペア:

[(1, 20813984), (2, 10406992), (4, 5203496), (8, 2601748), (16, 1300874), (17, 1224352), (32, 650437), (34, 612176), (68, 306088), (136, 153044), (272, 76522), (544, 38261)]