20187934576

素因数分解:

$2^4\times {\mathrm{31}}^2\times {\mathrm{1312951}}^1$

素因数の和:1313021

約数の個数: 30

約数和(自身を含む): 40416601416

約数和(自身を除く): 20228666840

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 961, 1922, 3844, 7688, 15376, 1312951, 2625902, 5251804, 10503608, 21007216, 40701481, 81402962, 162805924, 325611848, 651223696, 1261745911, 2523491822, 5046983644, 10093967288, 20187934576]

約数ペア:

[(1, 20187934576), (2, 10093967288), (4, 5046983644), (8, 2523491822), (16, 1261745911), (31, 651223696), (62, 325611848), (124, 162805924), (248, 81402962), (496, 40701481), (961, 21007216), (1922, 10503608), (3844, 5251804), (7688, 2625902), (15376, 1312951)]