2020907525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{6781}}^1$

素因数の和:6942

約数の個数: 48

約数和(自身を含む): 3108217728

約数和(自身を除く): 1087310203

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 131, 175, 325, 455, 655, 917, 1703, 2275, 3275, 4585, 6781, 8515, 11921, 22925, 33905, 42575, 47467, 59605, 88153, 169525, 237335, 298025, 440765, 617071, 888311, 1186675, 2203825, 3085355, 4441555, 6218177, 11548043, 15426775, 22207775, 31090885, 57740215, 80836301, 155454425, 288701075, 404181505, 2020907525]

約数ペア:

[(1, 2020907525), (5, 404181505), (7, 288701075), (13, 155454425), (25, 80836301), (35, 57740215), (65, 31090885), (91, 22207775), (131, 15426775), (175, 11548043), (325, 6218177), (455, 4441555), (655, 3085355), (917, 2203825), (1703, 1186675), (2275, 888311), (3275, 617071), (4585, 440765), (6781, 298025), (8515, 237335), (11921, 169525), (22925, 88153), (33905, 59605), (42575, 47467)]