20383257

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{661}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 28704320

約数和(自身を除く): 8321063

約数列:

[1, 3, 19, 57, 541, 661, 1623, 1983, 10279, 12559, 30837, 37677, 357601, 1072803, 6794419, 20383257]

約数ペア:

[(1, 20383257), (3, 6794419), (19, 1072803), (57, 357601), (541, 37677), (661, 30837), (1623, 12559), (1983, 10279)]