20281814

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{62987}}^1$

素因数の和:63019

約数の個数: 16

約数和(自身を含む): 36281088

約数和(自身を除く): 15999274

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 62987, 125974, 440909, 881818, 1448701, 2897402, 10140907, 20281814]

約数ペア:

[(1, 20281814), (2, 10140907), (7, 2897402), (14, 1448701), (23, 881818), (46, 440909), (161, 125974), (322, 62987)]