20218842459

素因数分解:

$3^5\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{283}}^1$

素因数の和:511

約数の個数: 96

約数和(自身を含む): 31886120448

約数和(自身を除く): 11667277989

約数列:

[1, 3, 9, 27, 41, 71, 81, 101, 123, 213, 243, 283, 303, 369, 639, 849, 909, 1107, 1917, 2547, 2727, 2911, 3321, 4141, 5751, 7171, 7641, 8181, 8733, 9963, 11603, 12423, 17253, 20093, 21513, 22923, 24543, 26199, 28583, 34809, 37269, 60279, 64539, 68769, 78597, 85749, 104427, 111807, 180837, 193617, 235791, 257247, 294011, 313281, 335421, 542511, 580851, 707373, 771741, 823813, 882033, 939843, 1006263, 1171903, 1627533, 1742553, 2029393, 2315223, 2471439, 2646099, 2819529, 3515709, 4882599, 6088179, 6945669, 7414317, 7938297, 10547127, 18264537, 22242951, 23814891, 31641381, 54793611, 66728853, 71444673, 83205113, 94924143, 164380833, 200186559, 249615339, 284772429, 493142499, 748846017, 2246538051, 6739614153, 20218842459]

約数ペア:

[(1, 20218842459), (3, 6739614153), (9, 2246538051), (27, 748846017), (41, 493142499), (71, 284772429), (81, 249615339), (101, 200186559), (123, 164380833), (213, 94924143), (243, 83205113), (283, 71444673), (303, 66728853), (369, 54793611), (639, 31641381), (849, 23814891), (909, 22242951), (1107, 18264537), (1917, 10547127), (2547, 7938297), (2727, 7414317), (2911, 6945669), (3321, 6088179), (4141, 4882599), (5751, 3515709), (7171, 2819529), (7641, 2646099), (8181, 2471439), (8733, 2315223), (9963, 2029393), (11603, 1742553), (12423, 1627533), (17253, 1171903), (20093, 1006263), (21513, 939843), (22923, 882033), (24543, 823813), (26199, 771741), (28583, 707373), (34809, 580851), (37269, 542511), (60279, 335421), (64539, 313281), (68769, 294011), (78597, 257247), (85749, 235791), (104427, 193617), (111807, 180837)]