20160857871

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{17837}}^1$

素因数の和:18101

約数の個数: 72

約数和(自身を含む): 37116026064

約数和(自身を除く): 16955168193

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 233, 441, 539, 693, 699, 1617, 1631, 2097, 2563, 4851, 4893, 7689, 11417, 14679, 17837, 17941, 23067, 34251, 53511, 53823, 102753, 124859, 125587, 160533, 161469, 196207, 374577, 376761, 588621, 874013, 1123731, 1130283, 1373449, 1765863, 2622039, 4120347, 4156021, 7866117, 9614143, 12361041, 12468063, 28842429, 29092147, 37404189, 45716231, 86527287, 87276441, 137148693, 203645029, 261829323, 320013617, 411446079, 610935087, 960040851, 1832805261, 2240095319, 2880122553, 6720285957, 20160857871]

約数ペア:

[(1, 20160857871), (3, 6720285957), (7, 2880122553), (9, 2240095319), (11, 1832805261), (21, 960040851), (33, 610935087), (49, 411446079), (63, 320013617), (77, 261829323), (99, 203645029), (147, 137148693), (231, 87276441), (233, 86527287), (441, 45716231), (539, 37404189), (693, 29092147), (699, 28842429), (1617, 12468063), (1631, 12361041), (2097, 9614143), (2563, 7866117), (4851, 4156021), (4893, 4120347), (7689, 2622039), (11417, 1765863), (14679, 1373449), (17837, 1130283), (17941, 1123731), (23067, 874013), (34251, 588621), (53511, 376761), (53823, 374577), (102753, 196207), (124859, 161469), (125587, 160533)]