20201428797

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{719}}^1$

素因数の和:947

約数の個数: 96

約数和(自身を含む): 32680972800

約数和(自身を除く): 12479544003

約数列:

[1, 3, 11, 17, 29, 33, 51, 87, 121, 157, 187, 319, 363, 471, 493, 561, 719, 957, 1479, 1727, 2057, 2157, 2669, 3509, 4553, 5181, 5423, 6171, 7909, 8007, 10527, 12223, 13659, 16269, 18997, 20851, 23727, 29359, 36669, 50083, 56991, 59653, 62553, 77401, 86999, 88077, 112883, 134453, 150249, 178959, 229361, 232203, 260997, 322949, 338649, 354467, 403359, 550913, 688083, 851411, 968847, 1063401, 1241713, 1478983, 1652739, 1919011, 2522971, 2554233, 3273607, 3725139, 3899137, 4436949, 5757033, 7568913, 9365521, 9820821, 11697411, 13658843, 21109121, 28096563, 36009677, 40976529, 42890507, 55651319, 63327363, 108029031, 128671521, 166953957, 232200331, 396106447, 612164509, 696600993, 1188319341, 1836493527, 6733809599, 20201428797]

約数ペア:

[(1, 20201428797), (3, 6733809599), (11, 1836493527), (17, 1188319341), (29, 696600993), (33, 612164509), (51, 396106447), (87, 232200331), (121, 166953957), (157, 128671521), (187, 108029031), (319, 63327363), (363, 55651319), (471, 42890507), (493, 40976529), (561, 36009677), (719, 28096563), (957, 21109121), (1479, 13658843), (1727, 11697411), (2057, 9820821), (2157, 9365521), (2669, 7568913), (3509, 5757033), (4553, 4436949), (5181, 3899137), (5423, 3725139), (6171, 3273607), (7909, 2554233), (8007, 2522971), (10527, 1919011), (12223, 1652739), (13659, 1478983), (16269, 1241713), (18997, 1063401), (20851, 968847), (23727, 851411), (29359, 688083), (36669, 550913), (50083, 403359), (56991, 354467), (59653, 338649), (62553, 322949), (77401, 260997), (86999, 232203), (88077, 229361), (112883, 178959), (134453, 150249)]