20877601

素因数分解:

${\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 22353408

約数和(自身を除く): 1475807

約数列:

[1, 31, 53, 97, 131, 1643, 3007, 4061, 5141, 6943, 12707, 159371, 215233, 393917, 673471, 20877601]

約数ペア:

[(1, 20877601), (31, 673471), (53, 393917), (97, 215233), (131, 159371), (1643, 12707), (3007, 6943), (4061, 5141)]