20510256

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32869}}^1$

素因数の和:32893

約数の個数: 40

約数和(自身を含む): 57062320

約数和(自身を除く): 36552064

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32869, 65738, 98607, 131476, 197214, 262952, 394428, 427297, 525904, 788856, 854594, 1281891, 1577712, 1709188, 2563782, 3418376, 5127564, 6836752, 10255128, 20510256]

約数ペア:

[(1, 20510256), (2, 10255128), (3, 6836752), (4, 5127564), (6, 3418376), (8, 2563782), (12, 1709188), (13, 1577712), (16, 1281891), (24, 854594), (26, 788856), (39, 525904), (48, 427297), (52, 394428), (78, 262952), (104, 197214), (156, 131476), (208, 98607), (312, 65738), (624, 32869)]