20129451

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3793}}^1$

素因数の和:3886

約数の個数: 16

約数和(自身を含む): 28227360

約数和(自身を除く): 8097909

約数列:

[1, 3, 29, 61, 87, 183, 1769, 3793, 5307, 11379, 109997, 231373, 329991, 694119, 6709817, 20129451]

約数ペア:

[(1, 20129451), (3, 6709817), (29, 694119), (61, 329991), (87, 231373), (183, 109997), (1769, 11379), (3793, 5307)]