20128778421

素因数分解:

$3^1\times {\mathrm{569}}^1\times {\mathrm{1901}}^1\times {\mathrm{6203}}^1$

素因数の和:8676

約数の個数: 16

約数和(自身を含む): 26904018240

約数和(自身を除く): 6775239819

約数列:

[1, 3, 569, 1707, 1901, 5703, 6203, 18609, 1081669, 3245007, 3529507, 10588521, 11791903, 35375709, 6709592807, 20128778421]

約数ペア:

[(1, 20128778421), (3, 6709592807), (569, 35375709), (1707, 11791903), (1901, 10588521), (5703, 3529507), (6203, 3245007), (18609, 1081669)]