20070491825

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:891

約数の個数: 96

約数和(自身を含む): 28396396800

約数和(自身を除く): 8325904975

約数列:

[1, 5, 19, 25, 29, 37, 53, 95, 145, 185, 265, 475, 551, 703, 725, 743, 925, 1007, 1073, 1325, 1537, 1961, 2755, 3515, 3715, 5035, 5365, 7685, 9805, 13775, 14117, 17575, 18575, 20387, 21547, 25175, 26825, 27491, 29203, 37259, 38425, 39379, 49025, 56869, 70585, 101935, 107735, 137455, 146015, 186295, 196895, 284345, 352925, 409393, 509675, 522329, 538675, 687275, 730075, 748201, 797239, 931475, 984475, 1080511, 1141991, 1421725, 1457023, 2046965, 2611645, 3741005, 3986195, 5402555, 5709955, 7285115, 10234825, 13058225, 15147541, 18705025, 19930975, 21697829, 27012775, 27683437, 28549775, 36425575, 42253667, 75737705, 108489145, 138417185, 211268335, 378688525, 542445725, 692085925, 802819673, 1056341675, 4014098365, 20070491825]

約数ペア:

[(1, 20070491825), (5, 4014098365), (19, 1056341675), (25, 802819673), (29, 692085925), (37, 542445725), (53, 378688525), (95, 211268335), (145, 138417185), (185, 108489145), (265, 75737705), (475, 42253667), (551, 36425575), (703, 28549775), (725, 27683437), (743, 27012775), (925, 21697829), (1007, 19930975), (1073, 18705025), (1325, 15147541), (1537, 13058225), (1961, 10234825), (2755, 7285115), (3515, 5709955), (3715, 5402555), (5035, 3986195), (5365, 3741005), (7685, 2611645), (9805, 2046965), (13775, 1457023), (14117, 1421725), (17575, 1141991), (18575, 1080511), (20387, 984475), (21547, 931475), (25175, 797239), (26825, 748201), (27491, 730075), (29203, 687275), (37259, 538675), (38425, 522329), (39379, 509675), (49025, 409393), (56869, 352925), (70585, 284345), (101935, 196895), (107735, 186295), (137455, 146015)]