20164080405

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{503}}^1\times {\mathrm{54541}}^1$

素因数の和:55066

約数の個数: 48

約数和(自身を含む): 37605181824

約数和(自身を除く): 17441101419

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 503, 735, 1509, 2515, 3521, 7545, 10563, 17605, 24647, 52815, 54541, 73941, 123235, 163623, 272705, 369705, 381787, 818115, 1145361, 1908935, 2672509, 5726805, 8017527, 13362545, 27434123, 40087635, 82302369, 137170615, 192038861, 411511845, 576116583, 960194305, 1344272027, 2880582915, 4032816081, 6721360135, 20164080405]

約数ペア:

[(1, 20164080405), (3, 6721360135), (5, 4032816081), (7, 2880582915), (15, 1344272027), (21, 960194305), (35, 576116583), (49, 411511845), (105, 192038861), (147, 137170615), (245, 82302369), (503, 40087635), (735, 27434123), (1509, 13362545), (2515, 8017527), (3521, 5726805), (7545, 2672509), (10563, 1908935), (17605, 1145361), (24647, 818115), (52815, 381787), (54541, 369705), (73941, 272705), (123235, 163623)]