20692805

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 31774080

約数和(自身を除く): 11081275

約数列:

[1, 5, 7, 19, 29, 35, 37, 95, 133, 145, 185, 203, 259, 551, 665, 703, 841, 1015, 1073, 1295, 2755, 3515, 3857, 4205, 4921, 5365, 5887, 7511, 15979, 19285, 20387, 24605, 29435, 31117, 37555, 79895, 101935, 111853, 142709, 155585, 217819, 559265, 591223, 713545, 1089095, 2956115, 4138561, 20692805]

約数ペア:

[(1, 20692805), (5, 4138561), (7, 2956115), (19, 1089095), (29, 713545), (35, 591223), (37, 559265), (95, 217819), (133, 155585), (145, 142709), (185, 111853), (203, 101935), (259, 79895), (551, 37555), (665, 31117), (703, 29435), (841, 24605), (1015, 20387), (1073, 19285), (1295, 15979), (2755, 7511), (3515, 5887), (3857, 5365), (4205, 4921)]