20513302329

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{107717}}^1$

素因数の和:108009

約数の個数: 32

約数和(自身を含む): 31126193280

約数和(自身を除く): 10612890951

約数列:

[1, 3, 13, 19, 39, 57, 247, 257, 741, 771, 3341, 4883, 10023, 14649, 63479, 107717, 190437, 323151, 1400321, 2046623, 4200963, 6139869, 26606099, 27683269, 79818297, 83049807, 359882497, 525982111, 1079647491, 1577946333, 6837767443, 20513302329]

約数ペア:

[(1, 20513302329), (3, 6837767443), (13, 1577946333), (19, 1079647491), (39, 525982111), (57, 359882497), (247, 83049807), (257, 79818297), (741, 27683269), (771, 26606099), (3341, 6139869), (4883, 4200963), (10023, 2046623), (14649, 1400321), (63479, 323151), (107717, 190437)]