20199089911

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{2879}}^1$

素因数の和:3116

約数の個数: 64

約数和(自身を含む): 27931115520

約数和(自身を除く): 7732025609

約数列:

[1, 7, 11, 13, 43, 77, 91, 143, 163, 301, 473, 559, 1001, 1141, 1793, 2119, 2879, 3311, 3913, 6149, 7009, 12551, 14833, 20153, 23309, 31669, 37427, 43043, 49063, 77099, 91117, 123797, 163163, 221683, 261989, 411697, 469277, 539693, 637819, 866579, 1002287, 1361767, 1609361, 2881879, 3284939, 5162047, 6100601, 7016009, 9532369, 11265527, 17702971, 20178911, 36134329, 42704207, 67106611, 123920797, 141252377, 221968021, 262325843, 469746277, 1553776147, 1836280901, 2885584273, 20199089911]

約数ペア:

[(1, 20199089911), (7, 2885584273), (11, 1836280901), (13, 1553776147), (43, 469746277), (77, 262325843), (91, 221968021), (143, 141252377), (163, 123920797), (301, 67106611), (473, 42704207), (559, 36134329), (1001, 20178911), (1141, 17702971), (1793, 11265527), (2119, 9532369), (2879, 7016009), (3311, 6100601), (3913, 5162047), (6149, 3284939), (7009, 2881879), (12551, 1609361), (14833, 1361767), (20153, 1002287), (23309, 866579), (31669, 637819), (37427, 539693), (43043, 469277), (49063, 411697), (77099, 261989), (91117, 221683), (123797, 163163)]