20091792175

素因数分解:

$5^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{1583}}^1$

素因数の和:2417

約数の個数: 72

約数和(自身を含む): 31269623616

約数和(自身を除く): 11177831441

約数列:

[1, 5, 7, 13, 25, 35, 49, 65, 91, 175, 245, 325, 455, 637, 797, 1225, 1583, 2275, 3185, 3985, 5579, 7915, 10361, 11081, 15925, 19925, 20579, 27895, 39053, 39575, 51805, 55405, 72527, 77567, 102895, 139475, 144053, 195265, 259025, 277025, 362635, 387835, 507689, 514475, 720265, 976325, 1008371, 1261651, 1813175, 1939175, 2538445, 3601325, 5041855, 6308255, 8831557, 12692225, 16401463, 25209275, 31541275, 44157785, 61820899, 82007315, 114810241, 220788925, 309104495, 410036575, 574051205, 803671687, 1545522475, 2870256025, 4018358435, 20091792175]

約数ペア:

[(1, 20091792175), (5, 4018358435), (7, 2870256025), (13, 1545522475), (25, 803671687), (35, 574051205), (49, 410036575), (65, 309104495), (91, 220788925), (175, 114810241), (245, 82007315), (325, 61820899), (455, 44157785), (637, 31541275), (797, 25209275), (1225, 16401463), (1583, 12692225), (2275, 8831557), (3185, 6308255), (3985, 5041855), (5579, 3601325), (7915, 2538445), (10361, 1939175), (11081, 1813175), (15925, 1261651), (19925, 1008371), (20579, 976325), (27895, 720265), (39053, 514475), (39575, 507689), (51805, 387835), (55405, 362635), (72527, 277025), (77567, 259025), (102895, 195265), (139475, 144053)]