20105968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{383}}^1$

素因数の和:601

約数の個数: 40

約数和(自身を含む): 41568768

約数和(自身を除く): 21462800

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 193, 272, 383, 386, 766, 772, 1532, 1544, 3064, 3088, 3281, 6128, 6511, 6562, 13022, 13124, 26044, 26248, 52088, 52496, 73919, 104176, 147838, 295676, 591352, 1182704, 1256623, 2513246, 5026492, 10052984, 20105968]

約数ペア:

[(1, 20105968), (2, 10052984), (4, 5026492), (8, 2513246), (16, 1256623), (17, 1182704), (34, 591352), (68, 295676), (136, 147838), (193, 104176), (272, 73919), (383, 52496), (386, 52088), (766, 26248), (772, 26044), (1532, 13124), (1544, 13022), (3064, 6562), (3088, 6511), (3281, 6128)]