20147490891

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{12457}}^1$

素因数の和:12553

約数の個数: 72

約数和(自身を含む): 34737189552

約数和(自身を除く): 14589698661

約数列:

[1, 3, 9, 11, 17, 31, 33, 51, 93, 99, 153, 187, 279, 341, 527, 561, 961, 1023, 1581, 1683, 2883, 3069, 4743, 5797, 8649, 10571, 12457, 16337, 17391, 31713, 37371, 49011, 52173, 95139, 112113, 137027, 147033, 179707, 211769, 386167, 411081, 539121, 635307, 1158501, 1233243, 1617363, 1905921, 2329459, 3475503, 4247837, 6564839, 6988377, 11971177, 12743511, 19694517, 20965131, 35913531, 38230533, 59083551, 72213229, 107740593, 131682947, 203510009, 216639687, 395048841, 610530027, 649919061, 1185146523, 1831590081, 2238610099, 6715830297, 20147490891]

約数ペア:

[(1, 20147490891), (3, 6715830297), (9, 2238610099), (11, 1831590081), (17, 1185146523), (31, 649919061), (33, 610530027), (51, 395048841), (93, 216639687), (99, 203510009), (153, 131682947), (187, 107740593), (279, 72213229), (341, 59083551), (527, 38230533), (561, 35913531), (961, 20965131), (1023, 19694517), (1581, 12743511), (1683, 11971177), (2883, 6988377), (3069, 6564839), (4743, 4247837), (5797, 3475503), (8649, 2329459), (10571, 1905921), (12457, 1617363), (16337, 1233243), (17391, 1158501), (31713, 635307), (37371, 539121), (49011, 411081), (52173, 386167), (95139, 211769), (112113, 179707), (137027, 147033)]