20216643684

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{499}}^1\times {\mathrm{811}}^1$

素因数の和:1521

約数の個数: 96

約数和(自身を含む): 49655424000

約数和(自身を除く): 29438780316

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 181, 276, 362, 499, 543, 724, 811, 998, 1086, 1497, 1622, 1996, 2172, 2433, 2994, 3244, 4163, 4866, 5988, 8326, 9732, 11477, 12489, 16652, 18653, 22954, 24978, 34431, 37306, 45908, 49956, 55959, 68862, 74612, 90319, 111918, 137724, 146791, 180638, 223836, 270957, 293582, 361276, 404689, 440373, 541914, 587164, 809378, 880746, 1083828, 1214067, 1618756, 1761492, 2077337, 2428134, 3376193, 4154674, 4856268, 6232011, 6752386, 8309348, 9307847, 10128579, 12464022, 13504772, 18615694, 20257158, 24928044, 27923541, 37231388, 40514316, 55847082, 73248709, 111694164, 146497418, 219746127, 292994836, 439492254, 878984508, 1684720307, 3369440614, 5054160921, 6738881228, 10108321842, 20216643684]

約数ペア:

[(1, 20216643684), (2, 10108321842), (3, 6738881228), (4, 5054160921), (6, 3369440614), (12, 1684720307), (23, 878984508), (46, 439492254), (69, 292994836), (92, 219746127), (138, 146497418), (181, 111694164), (276, 73248709), (362, 55847082), (499, 40514316), (543, 37231388), (724, 27923541), (811, 24928044), (998, 20257158), (1086, 18615694), (1497, 13504772), (1622, 12464022), (1996, 10128579), (2172, 9307847), (2433, 8309348), (2994, 6752386), (3244, 6232011), (4163, 4856268), (4866, 4154674), (5988, 3376193), (8326, 2428134), (9732, 2077337), (11477, 1761492), (12489, 1618756), (16652, 1214067), (18653, 1083828), (22954, 880746), (24978, 809378), (34431, 587164), (37306, 541914), (45908, 440373), (49956, 404689), (55959, 361276), (68862, 293582), (74612, 270957), (90319, 223836), (111918, 180638), (137724, 146791)]