20001576508

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{23819}}^1$

素因数の和:24126

約数の個数: 48

約数和(自身を含む): 37924679520

約数和(自身を除く): 17923103012

約数列:

[1, 2, 4, 17, 34, 53, 68, 106, 212, 233, 466, 901, 932, 1802, 3604, 3961, 7922, 12349, 15844, 23819, 24698, 47638, 49396, 95276, 209933, 404923, 419866, 809846, 839732, 1262407, 1619692, 2524814, 5049628, 5549827, 11099654, 21460919, 22199308, 42921838, 85843676, 94347059, 188694118, 294140831, 377388236, 588281662, 1176563324, 5000394127, 10000788254, 20001576508]

約数ペア:

[(1, 20001576508), (2, 10000788254), (4, 5000394127), (17, 1176563324), (34, 588281662), (53, 377388236), (68, 294140831), (106, 188694118), (212, 94347059), (233, 85843676), (466, 42921838), (901, 22199308), (932, 21460919), (1802, 11099654), (3604, 5549827), (3961, 5049628), (7922, 2524814), (12349, 1619692), (15844, 1262407), (23819, 839732), (24698, 809846), (47638, 419866), (49396, 404923), (95276, 209933)]