20172089993

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{193}}^1\times {\mathrm{1279}}^1$

素因数の和:1542

約数の個数: 64

約数和(自身を含む): 25745817600

約数和(自身を除く): 5573727607

約数列:

[1, 11, 17, 19, 23, 187, 193, 209, 253, 323, 391, 437, 1279, 2123, 3281, 3553, 3667, 4301, 4439, 4807, 7429, 14069, 21743, 24301, 29417, 36091, 40337, 48829, 62339, 75463, 81719, 84341, 239173, 246847, 267311, 323587, 413117, 500089, 558923, 685729, 830093, 927751, 1433797, 2715317, 4196399, 4544287, 4690093, 5500979, 5677481, 6148153, 9501691, 15771767, 46160389, 51591023, 62452291, 79731581, 96517177, 104518601, 107872139, 877047391, 1061688947, 1186593529, 1833826363, 20172089993]

約数ペア:

[(1, 20172089993), (11, 1833826363), (17, 1186593529), (19, 1061688947), (23, 877047391), (187, 107872139), (193, 104518601), (209, 96517177), (253, 79731581), (323, 62452291), (391, 51591023), (437, 46160389), (1279, 15771767), (2123, 9501691), (3281, 6148153), (3553, 5677481), (3667, 5500979), (4301, 4690093), (4439, 4544287), (4807, 4196399), (7429, 2715317), (14069, 1433797), (21743, 927751), (24301, 830093), (29417, 685729), (36091, 558923), (40337, 500089), (48829, 413117), (62339, 323587), (75463, 267311), (81719, 246847), (84341, 239173)]