20211492808

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{797}}^1\times {\mathrm{18757}}^1$

素因数の和:19586

約数の個数: 48

約数和(自身を含む): 41089586580

約数和(自身を除く): 20878093772

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 797, 1352, 1594, 3188, 6376, 10361, 18757, 20722, 37514, 41444, 75028, 82888, 134693, 150056, 243841, 269386, 487682, 538772, 975364, 1077544, 1950728, 3169933, 6339866, 12679732, 14949329, 25359464, 29898658, 59797316, 119594632, 194341277, 388682554, 777365108, 1554730216, 2526436601, 5052873202, 10105746404, 20211492808]

約数ペア:

[(1, 20211492808), (2, 10105746404), (4, 5052873202), (8, 2526436601), (13, 1554730216), (26, 777365108), (52, 388682554), (104, 194341277), (169, 119594632), (338, 59797316), (676, 29898658), (797, 25359464), (1352, 14949329), (1594, 12679732), (3188, 6339866), (6376, 3169933), (10361, 1950728), (18757, 1077544), (20722, 975364), (37514, 538772), (41444, 487682), (75028, 269386), (82888, 243841), (134693, 150056)]