20199018208

素因数分解:

$2^5\times {\mathrm{1409}}^1\times {\mathrm{447991}}^1$

素因数の和:449410

約数の個数: 24

約数和(自身を含む): 39795129360

約数和(自身を除く): 19596111152

約数列:

[1, 2, 4, 8, 16, 32, 1409, 2818, 5636, 11272, 22544, 45088, 447991, 895982, 1791964, 3583928, 7167856, 14335712, 631219319, 1262438638, 2524877276, 5049754552, 10099509104, 20199018208]

約数ペア:

[(1, 20199018208), (2, 10099509104), (4, 5049754552), (8, 2524877276), (16, 1262438638), (32, 631219319), (1409, 14335712), (2818, 7167856), (5636, 3583928), (11272, 1791964), (22544, 895982), (45088, 447991)]