20408764145

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{677}}^1\times {\mathrm{78301}}^1$

素因数の和:79001

約数の個数: 32

約数和(自身を含む): 30579123456

約数和(自身を除く): 10170359311

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 677, 3385, 4739, 7447, 23695, 37235, 52129, 78301, 260645, 391505, 548107, 861311, 2740535, 4306555, 6029177, 30145885, 53009777, 265048885, 371068439, 583107547, 1855342195, 2915537735, 4081752829, 20408764145]

約数ペア:

[(1, 20408764145), (5, 4081752829), (7, 2915537735), (11, 1855342195), (35, 583107547), (55, 371068439), (77, 265048885), (385, 53009777), (677, 30145885), (3385, 6029177), (4739, 4306555), (7447, 2740535), (23695, 861311), (37235, 548107), (52129, 391505), (78301, 260645)]