20178240128

素因数分解:

$2^7\times {\mathrm{157642501}}^1$

素因数の和:157642515

約数の個数: 16

約数和(自身を含む): 40198838010

約数和(自身を除く): 20020597882

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157642501, 315285002, 630570004, 1261140008, 2522280016, 5044560032, 10089120064, 20178240128]

約数ペア:

[(1, 20178240128), (2, 10089120064), (4, 5044560032), (8, 2522280016), (16, 1261140008), (32, 630570004), (64, 315285002), (128, 157642501)]