20161372185

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1663}}^1\times {\mathrm{6571}}^1$

素因数の和:8286

約数の個数: 48

約数和(自身を含む): 35825707008

約数和(自身を除く): 15664334823

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1663, 1845, 4989, 6571, 8315, 14967, 19713, 24945, 32855, 59139, 68183, 74835, 98565, 204549, 269411, 295695, 340915, 613647, 808233, 1022745, 1347055, 2424699, 3068235, 4041165, 10927573, 12123495, 32782719, 54637865, 98348157, 163913595, 448030493, 491740785, 1344091479, 2240152465, 4032274437, 6720457395, 20161372185]

約数ペア:

[(1, 20161372185), (3, 6720457395), (5, 4032274437), (9, 2240152465), (15, 1344091479), (41, 491740785), (45, 448030493), (123, 163913595), (205, 98348157), (369, 54637865), (615, 32782719), (1663, 12123495), (1845, 10927573), (4989, 4041165), (6571, 3068235), (8315, 2424699), (14967, 1347055), (19713, 1022745), (24945, 808233), (32855, 613647), (59139, 340915), (68183, 295695), (74835, 269411), (98565, 204549)]