20130886568

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{709}}^1\times {\mathrm{21001}}^1$

素因数の和:21742

約数の個数: 48

約数和(自身を含む): 40931847900

約数和(自身を除く): 20800961332

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 709, 1352, 1418, 2836, 5672, 9217, 18434, 21001, 36868, 42002, 73736, 84004, 119821, 168008, 239642, 273013, 479284, 546026, 958568, 1092052, 2184104, 3549169, 7098338, 14196676, 14889709, 28393352, 29779418, 59558836, 119117672, 193566217, 387132434, 774264868, 1548529736, 2516360821, 5032721642, 10065443284, 20130886568]

約数ペア:

[(1, 20130886568), (2, 10065443284), (4, 5032721642), (8, 2516360821), (13, 1548529736), (26, 774264868), (52, 387132434), (104, 193566217), (169, 119117672), (338, 59558836), (676, 29779418), (709, 28393352), (1352, 14889709), (1418, 14196676), (2836, 7098338), (5672, 3549169), (9217, 2184104), (18434, 1092052), (21001, 958568), (36868, 546026), (42002, 479284), (73736, 273013), (84004, 239642), (119821, 168008)]