20161286916

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{20129}}^1$

素因数の和:20369

約数の個数: 96

約数和(自身を含む): 51945062400

約数和(自身を除く): 31783775484

約数列:

[1, 2, 3, 4, 6, 12, 19, 23, 38, 46, 57, 69, 76, 92, 114, 138, 191, 228, 276, 382, 437, 573, 764, 874, 1146, 1311, 1748, 2292, 2622, 3629, 4393, 5244, 7258, 8786, 10887, 13179, 14516, 17572, 20129, 21774, 26358, 40258, 43548, 52716, 60387, 80516, 83467, 120774, 166934, 241548, 250401, 333868, 382451, 462967, 500802, 764902, 925934, 1001604, 1147353, 1388901, 1529804, 1851868, 2294706, 2777802, 3844639, 4589412, 5555604, 7689278, 8796373, 11533917, 15378556, 17592746, 23067834, 26389119, 35185492, 46135668, 52778238, 73048141, 88426697, 105556476, 146096282, 176853394, 219144423, 265280091, 292192564, 353706788, 438288846, 530560182, 876577692, 1061120364, 1680107243, 3360214486, 5040321729, 6720428972, 10080643458, 20161286916]

約数ペア:

[(1, 20161286916), (2, 10080643458), (3, 6720428972), (4, 5040321729), (6, 3360214486), (12, 1680107243), (19, 1061120364), (23, 876577692), (38, 530560182), (46, 438288846), (57, 353706788), (69, 292192564), (76, 265280091), (92, 219144423), (114, 176853394), (138, 146096282), (191, 105556476), (228, 88426697), (276, 73048141), (382, 52778238), (437, 46135668), (573, 35185492), (764, 26389119), (874, 23067834), (1146, 17592746), (1311, 15378556), (1748, 11533917), (2292, 8796373), (2622, 7689278), (3629, 5555604), (4393, 4589412), (5244, 3844639), (7258, 2777802), (8786, 2294706), (10887, 1851868), (13179, 1529804), (14516, 1388901), (17572, 1147353), (20129, 1001604), (21774, 925934), (26358, 764902), (40258, 500802), (43548, 462967), (52716, 382451), (60387, 333868), (80516, 250401), (83467, 241548), (120774, 166934)]