20923773

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{5531}}^1$

素因数の和:5644

約数の個数: 16

約数和(自身を含む): 30359616

約数和(自身を除く): 9435843

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 5531, 16593, 71903, 215709, 536507, 1609521, 6974591, 20923773]

約数ペア:

[(1, 20923773), (3, 6974591), (13, 1609521), (39, 536507), (97, 215709), (291, 71903), (1261, 16593), (3783, 5531)]