20996926576

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1039}}^1\times {\mathrm{74297}}^1$

素因数の和:75361

約数の個数: 40

約数和(自身を含む): 43116615360

約数和(自身を除く): 22119688784

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1039, 2078, 4156, 8312, 16624, 17663, 35326, 70652, 74297, 141304, 148594, 282608, 297188, 594376, 1188752, 1263049, 2526098, 5052196, 10104392, 20208784, 77194583, 154389166, 308778332, 617556664, 1235113328, 1312307911, 2624615822, 5249231644, 10498463288, 20996926576]

約数ペア:

[(1, 20996926576), (2, 10498463288), (4, 5249231644), (8, 2624615822), (16, 1312307911), (17, 1235113328), (34, 617556664), (68, 308778332), (136, 154389166), (272, 77194583), (1039, 20208784), (2078, 10104392), (4156, 5052196), (8312, 2526098), (16624, 1263049), (17663, 1188752), (35326, 594376), (70652, 297188), (74297, 282608), (141304, 148594)]