20001493785

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{106957}}^1$

素因数の和:107122

約数の個数: 64

約数和(自身を含む): 39675428352

約数和(自身を除く): 19673934567

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 137, 195, 273, 411, 455, 685, 959, 1365, 1781, 2055, 2877, 4795, 5343, 8905, 12467, 14385, 26715, 37401, 62335, 106957, 187005, 320871, 534785, 748699, 1390441, 1604355, 2246097, 3743495, 4171323, 6952205, 9733087, 11230485, 14653109, 20856615, 29199261, 43959327, 48665435, 73265545, 102571763, 145996305, 190490417, 219796635, 307715289, 512858815, 571471251, 952452085, 1333432919, 1538576445, 2857356255, 4000298757, 6667164595, 20001493785]

約数ペア:

[(1, 20001493785), (3, 6667164595), (5, 4000298757), (7, 2857356255), (13, 1538576445), (15, 1333432919), (21, 952452085), (35, 571471251), (39, 512858815), (65, 307715289), (91, 219796635), (105, 190490417), (137, 145996305), (195, 102571763), (273, 73265545), (411, 48665435), (455, 43959327), (685, 29199261), (959, 20856615), (1365, 14653109), (1781, 11230485), (2055, 9733087), (2877, 6952205), (4795, 4171323), (5343, 3743495), (8905, 2246097), (12467, 1604355), (14385, 1390441), (26715, 748699), (37401, 534785), (62335, 320871), (106957, 187005)]