20127116

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:818

約数の個数: 36

約数和(自身を含む): 39094608

約数和(自身を除く): 18967492

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 289, 391, 578, 757, 782, 1156, 1514, 1564, 3028, 6647, 12869, 13294, 17411, 25738, 26588, 34822, 51476, 69644, 218773, 295987, 437546, 591974, 875092, 1183948, 5031779, 10063558, 20127116]

約数ペア:

[(1, 20127116), (2, 10063558), (4, 5031779), (17, 1183948), (23, 875092), (34, 591974), (46, 437546), (68, 295987), (92, 218773), (289, 69644), (391, 51476), (578, 34822), (757, 26588), (782, 25738), (1156, 17411), (1514, 13294), (1564, 12869), (3028, 6647)]