20175249160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1049}}^1\times {\mathrm{43711}}^1$

素因数の和:44782

約数の個数: 64

約数和(自身を含む): 49569408000

約数和(自身を除く): 29394158840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 1049, 2098, 4196, 5245, 8392, 10490, 11539, 20980, 23078, 41960, 43711, 46156, 57695, 87422, 92312, 115390, 174844, 218555, 230780, 349688, 437110, 461560, 480821, 874220, 961642, 1748440, 1923284, 2404105, 3846568, 4808210, 9616420, 19232840, 45852839, 91705678, 183411356, 229264195, 366822712, 458528390, 504381229, 917056780, 1008762458, 1834113560, 2017524916, 2521906145, 4035049832, 5043812290, 10087624580, 20175249160]

約数ペア:

[(1, 20175249160), (2, 10087624580), (4, 5043812290), (5, 4035049832), (8, 2521906145), (10, 2017524916), (11, 1834113560), (20, 1008762458), (22, 917056780), (40, 504381229), (44, 458528390), (55, 366822712), (88, 229264195), (110, 183411356), (220, 91705678), (440, 45852839), (1049, 19232840), (2098, 9616420), (4196, 4808210), (5245, 3846568), (8392, 2404105), (10490, 1923284), (11539, 1748440), (20980, 961642), (23078, 874220), (41960, 480821), (43711, 461560), (46156, 437110), (57695, 349688), (87422, 230780), (92312, 218555), (115390, 174844)]