20631702

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1303}}^1$

素因数の和:1357

約数の個数: 64

約数和(自身を含む): 52577280

約数和(自身を除く): 31945578

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 42, 58, 78, 87, 91, 174, 182, 203, 273, 377, 406, 546, 609, 754, 1131, 1218, 1303, 2262, 2606, 2639, 3909, 5278, 7818, 7917, 9121, 15834, 16939, 18242, 27363, 33878, 37787, 50817, 54726, 75574, 101634, 113361, 118573, 226722, 237146, 264509, 355719, 491231, 529018, 711438, 793527, 982462, 1473693, 1587054, 2947386, 3438617, 6877234, 10315851, 20631702]

約数ペア:

[(1, 20631702), (2, 10315851), (3, 6877234), (6, 3438617), (7, 2947386), (13, 1587054), (14, 1473693), (21, 982462), (26, 793527), (29, 711438), (39, 529018), (42, 491231), (58, 355719), (78, 264509), (87, 237146), (91, 226722), (174, 118573), (182, 113361), (203, 101634), (273, 75574), (377, 54726), (406, 50817), (546, 37787), (609, 33878), (754, 27363), (1131, 18242), (1218, 16939), (1303, 15834), (2262, 9121), (2606, 7917), (2639, 7818), (3909, 5278)]