20180833491

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{709}}^1\times {\mathrm{2543}}^1$

素因数の和:3316

約数の個数: 64

約数和(自身を含む): 33986211840

約数和(自身を除く): 13805378349

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 709, 861, 1599, 2127, 2543, 3731, 4963, 7629, 9217, 11193, 14889, 17801, 27651, 29069, 33059, 53403, 64519, 87207, 99177, 104263, 193557, 203483, 231413, 312789, 377897, 610449, 694239, 729841, 1133691, 1355419, 1802987, 2189523, 2645279, 4066257, 5408961, 7935837, 9487933, 12620909, 23438831, 28463799, 37862727, 70316493, 73922467, 164071817, 221767401, 492215451, 517457269, 960992071, 1552371807, 2882976213, 6726944497, 20180833491]

約数ペア:

[(1, 20180833491), (3, 6726944497), (7, 2882976213), (13, 1552371807), (21, 960992071), (39, 517457269), (41, 492215451), (91, 221767401), (123, 164071817), (273, 73922467), (287, 70316493), (533, 37862727), (709, 28463799), (861, 23438831), (1599, 12620909), (2127, 9487933), (2543, 7935837), (3731, 5408961), (4963, 4066257), (7629, 2645279), (9217, 2189523), (11193, 1802987), (14889, 1355419), (17801, 1133691), (27651, 729841), (29069, 694239), (33059, 610449), (53403, 377897), (64519, 312789), (87207, 231413), (99177, 203483), (104263, 193557)]