20681917095

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{60107}}^1$

素因数の和:60264

約数の個数: 64

約数和(自身を含む): 39469317120

約数和(自身を除く): 18787400025

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 113, 145, 203, 339, 435, 565, 609, 791, 1015, 1695, 2373, 3045, 3277, 3955, 9831, 11865, 16385, 22939, 49155, 60107, 68817, 114695, 180321, 300535, 344085, 420749, 901605, 1262247, 1743103, 2103745, 5229309, 6311235, 6792091, 8715515, 12201721, 20376273, 26146545, 33960455, 36605163, 47544637, 61008605, 101881365, 142633911, 183025815, 196970639, 237723185, 590911917, 713169555, 984853195, 1378794473, 2954559585, 4136383419, 6893972365, 20681917095]

約数ペア:

[(1, 20681917095), (3, 6893972365), (5, 4136383419), (7, 2954559585), (15, 1378794473), (21, 984853195), (29, 713169555), (35, 590911917), (87, 237723185), (105, 196970639), (113, 183025815), (145, 142633911), (203, 101881365), (339, 61008605), (435, 47544637), (565, 36605163), (609, 33960455), (791, 26146545), (1015, 20376273), (1695, 12201721), (2373, 8715515), (3045, 6792091), (3277, 6311235), (3955, 5229309), (9831, 2103745), (11865, 1743103), (16385, 1262247), (22939, 901605), (49155, 420749), (60107, 344085), (68817, 300535), (114695, 180321)]