20597928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{617}}^1$

素因数の和:746

約数の個数: 64

約数和(自身を含む): 56064960

約数和(自身を除く): 35467032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 107, 156, 214, 312, 321, 428, 617, 642, 856, 1234, 1284, 1391, 1851, 2468, 2568, 2782, 3702, 4173, 4936, 5564, 7404, 8021, 8346, 11128, 14808, 16042, 16692, 24063, 32084, 33384, 48126, 64168, 66019, 96252, 132038, 192504, 198057, 264076, 396114, 528152, 792228, 858247, 1584456, 1716494, 2574741, 3432988, 5149482, 6865976, 10298964, 20597928]

約数ペア:

[(1, 20597928), (2, 10298964), (3, 6865976), (4, 5149482), (6, 3432988), (8, 2574741), (12, 1716494), (13, 1584456), (24, 858247), (26, 792228), (39, 528152), (52, 396114), (78, 264076), (104, 198057), (107, 192504), (156, 132038), (214, 96252), (312, 66019), (321, 64168), (428, 48126), (617, 33384), (642, 32084), (856, 24063), (1234, 16692), (1284, 16042), (1391, 14808), (1851, 11128), (2468, 8346), (2568, 8021), (2782, 7404), (3702, 5564), (4173, 4936)]