20012918

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{5471}}^1$

素因数の和:5563

約数の個数: 16

約数和(自身を含む): 31518720

約数和(自身を除く): 11505802

約数列:

[1, 2, 31, 59, 62, 118, 1829, 3658, 5471, 10942, 169601, 322789, 339202, 645578, 10006459, 20012918]

約数ペア:

[(1, 20012918), (2, 10006459), (31, 645578), (59, 339202), (62, 322789), (118, 169601), (1829, 10942), (3658, 5471)]