20688001464

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{66307697}}^1$

素因数の和:66307719

約数の個数: 32

約数和(自身を含む): 55698466320

約数和(自身を除く): 35010464856

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 66307697, 132615394, 198923091, 265230788, 397846182, 530461576, 795692364, 862000061, 1591384728, 1724000122, 2586000183, 3448000244, 5172000366, 6896000488, 10344000732, 20688001464]

約数ペア:

[(1, 20688001464), (2, 10344000732), (3, 6896000488), (4, 5172000366), (6, 3448000244), (8, 2586000183), (12, 1724000122), (13, 1591384728), (24, 862000061), (26, 795692364), (39, 530461576), (52, 397846182), (78, 265230788), (104, 198923091), (156, 132615394), (312, 66307697)]