20291206299

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{18661}}^1$

素因数の和:19260

約数の個数: 48

約数和(自身を含む): 33954389280

約数和(自身を除く): 13663182981

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 569, 637, 1707, 1911, 3983, 7397, 11949, 18661, 22191, 27881, 51779, 55983, 83643, 130627, 155337, 242593, 362453, 391881, 727779, 914389, 1087359, 1698151, 2743167, 5094453, 10618109, 11887057, 31854327, 35661171, 74326763, 138035417, 222980289, 414106251, 520287341, 966247919, 1560862023, 2898743757, 6763735433, 20291206299]

約数ペア:

[(1, 20291206299), (3, 6763735433), (7, 2898743757), (13, 1560862023), (21, 966247919), (39, 520287341), (49, 414106251), (91, 222980289), (147, 138035417), (273, 74326763), (569, 35661171), (637, 31854327), (1707, 11887057), (1911, 10618109), (3983, 5094453), (7397, 2743167), (11949, 1698151), (18661, 1087359), (22191, 914389), (27881, 727779), (51779, 391881), (55983, 362453), (83643, 242593), (130627, 155337)]