20187239152

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1045321}}^1$

素因数の和:1045417

約数の個数: 40

約数和(自身を含む): 41996856672

約数和(自身を除く): 21809617520

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 71, 136, 142, 272, 284, 568, 1136, 1207, 2414, 4828, 9656, 19312, 1045321, 2090642, 4181284, 8362568, 16725136, 17770457, 35540914, 71081828, 74217791, 142163656, 148435582, 284327312, 296871164, 593742328, 1187484656, 1261702447, 2523404894, 5046809788, 10093619576, 20187239152]

約数ペア:

[(1, 20187239152), (2, 10093619576), (4, 5046809788), (8, 2523404894), (16, 1261702447), (17, 1187484656), (34, 593742328), (68, 296871164), (71, 284327312), (136, 148435582), (142, 142163656), (272, 74217791), (284, 71081828), (568, 35540914), (1136, 17770457), (1207, 16725136), (2414, 8362568), (4828, 4181284), (9656, 2090642), (19312, 1045321)]