20170648

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{19853}}^1$

素因数の和:19986

約数の個数: 16

約数和(自身を含む): 38119680

約数和(自身を除く): 17949032

約数列:

[1, 2, 4, 8, 127, 254, 508, 1016, 19853, 39706, 79412, 158824, 2521331, 5042662, 10085324, 20170648]

約数ペア:

[(1, 20170648), (2, 10085324), (4, 5042662), (8, 2521331), (127, 158824), (254, 79412), (508, 39706), (1016, 19853)]