20983774

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{65167}}^1$

素因数の和:65199

約数の個数: 16

約数和(自身を含む): 37536768

約数和(自身を除く): 16552994

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 65167, 130334, 456169, 912338, 1498841, 2997682, 10491887, 20983774]

約数ペア:

[(1, 20983774), (2, 10491887), (7, 2997682), (14, 1498841), (23, 912338), (46, 456169), (161, 130334), (322, 65167)]