20804985374

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1\times {\mathrm{15013}}^1$

素因数の和:15420

約数の個数: 32

約数和(自身を含む): 32684637216

約数和(自身を除く): 11879651842

約数列:

[1, 2, 37, 61, 74, 122, 307, 614, 2257, 4514, 11359, 15013, 18727, 22718, 30026, 37454, 555481, 692899, 915793, 1110962, 1385798, 1831586, 4608991, 9217982, 33884341, 67768682, 170532667, 281148451, 341065334, 562296902, 10402492687, 20804985374]

約数ペア:

[(1, 20804985374), (2, 10402492687), (37, 562296902), (61, 341065334), (74, 281148451), (122, 170532667), (307, 67768682), (614, 33884341), (2257, 9217982), (4514, 4608991), (11359, 1831586), (15013, 1385798), (18727, 1110962), (22718, 915793), (30026, 692899), (37454, 555481)]