20158764857

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{3373}}^1\times {\mathrm{77617}}^1$

素因数の和:81008

約数の個数: 16

約数和(自身を含む): 25140780672

約数和(自身を除く): 4982015815

約数列:

[1, 7, 11, 77, 3373, 23611, 37103, 77617, 259721, 543319, 853787, 5976509, 261802141, 1832614987, 2879823551, 20158764857]

約数ペア:

[(1, 20158764857), (7, 2879823551), (11, 1832614987), (77, 261802141), (3373, 5976509), (23611, 853787), (37103, 543319), (77617, 259721)]