20512497907

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 24710676480

約数和(自身を除く): 4198178573

約数列:

[1, 11, 19, 41, 83, 151, 191, 209, 451, 779, 913, 1577, 1661, 2101, 2869, 3403, 3629, 6191, 7831, 8569, 12533, 15853, 17347, 28841, 31559, 37433, 39919, 64657, 68101, 86141, 117629, 137863, 148789, 174383, 238127, 301207, 317251, 513853, 547979, 649973, 711227, 1182481, 1293919, 1636679, 2393803, 2619397, 3313277, 5652383, 6027769, 7149703, 9763207, 12349487, 13007291, 22467139, 26331833, 45482257, 98145923, 107395277, 135844357, 247138529, 500304827, 1079605153, 1864772537, 20512497907]

約数ペア:

[(1, 20512497907), (11, 1864772537), (19, 1079605153), (41, 500304827), (83, 247138529), (151, 135844357), (191, 107395277), (209, 98145923), (451, 45482257), (779, 26331833), (913, 22467139), (1577, 13007291), (1661, 12349487), (2101, 9763207), (2869, 7149703), (3403, 6027769), (3629, 5652383), (6191, 3313277), (7831, 2619397), (8569, 2393803), (12533, 1636679), (15853, 1293919), (17347, 1182481), (28841, 711227), (31559, 649973), (37433, 547979), (39919, 513853), (64657, 317251), (68101, 301207), (86141, 238127), (117629, 174383), (137863, 148789)]