20621898

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:404

約数の個数: 64

約数和(自身を含む): 50544000

約数和(自身を除く): 29922102

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 99, 149, 198, 233, 297, 298, 447, 466, 594, 699, 894, 1341, 1398, 1639, 2097, 2563, 2682, 3278, 4023, 4194, 4917, 5126, 6291, 7689, 8046, 9834, 12582, 14751, 15378, 23067, 29502, 34717, 44253, 46134, 69201, 69434, 88506, 104151, 138402, 208302, 312453, 381887, 624906, 763774, 937359, 1145661, 1874718, 2291322, 3436983, 6873966, 10310949, 20621898]

約数ペア:

[(1, 20621898), (2, 10310949), (3, 6873966), (6, 3436983), (9, 2291322), (11, 1874718), (18, 1145661), (22, 937359), (27, 763774), (33, 624906), (54, 381887), (66, 312453), (99, 208302), (149, 138402), (198, 104151), (233, 88506), (297, 69434), (298, 69201), (447, 46134), (466, 44253), (594, 34717), (699, 29502), (894, 23067), (1341, 15378), (1398, 14751), (1639, 12582), (2097, 9834), (2563, 8046), (2682, 7689), (3278, 6291), (4023, 5126), (4194, 4917)]