20781617662

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{11071}}^1$

素因数の和:11225

約数の個数: 64

約数和(自身を含む): 36338835456

約数和(自身を除く): 15557217794

約数列:

[1, 2, 13, 23, 26, 43, 46, 73, 86, 146, 299, 559, 598, 949, 989, 1118, 1679, 1898, 1978, 3139, 3358, 6278, 11071, 12857, 21827, 22142, 25714, 40807, 43654, 72197, 81614, 143923, 144394, 254633, 287846, 476053, 509266, 808183, 938561, 952106, 1616366, 1877122, 3310229, 6188689, 6620458, 10506379, 10949219, 12377378, 18588209, 21012758, 21898438, 34751869, 37176418, 69503738, 142339847, 241646717, 284679694, 451774297, 483293434, 799292987, 903548594, 1598585974, 10390808831, 20781617662]

約数ペア:

[(1, 20781617662), (2, 10390808831), (13, 1598585974), (23, 903548594), (26, 799292987), (43, 483293434), (46, 451774297), (73, 284679694), (86, 241646717), (146, 142339847), (299, 69503738), (559, 37176418), (598, 34751869), (949, 21898438), (989, 21012758), (1118, 18588209), (1679, 12377378), (1898, 10949219), (1978, 10506379), (3139, 6620458), (3358, 6188689), (6278, 3310229), (11071, 1877122), (12857, 1616366), (21827, 952106), (22142, 938561), (25714, 808183), (40807, 509266), (43654, 476053), (72197, 287846), (81614, 254633), (143923, 144394)]