20465328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32797}}^1$

素因数の和:32821

約数の個数: 40

約数和(自身を含む): 56937328

約数和(自身を除く): 36472000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32797, 65594, 98391, 131188, 196782, 262376, 393564, 426361, 524752, 787128, 852722, 1279083, 1574256, 1705444, 2558166, 3410888, 5116332, 6821776, 10232664, 20465328]

約数ペア:

[(1, 20465328), (2, 10232664), (3, 6821776), (4, 5116332), (6, 3410888), (8, 2558166), (12, 1705444), (13, 1574256), (16, 1279083), (24, 852722), (26, 787128), (39, 524752), (48, 426361), (52, 393564), (78, 262376), (104, 196782), (156, 131188), (208, 98391), (312, 65594), (624, 32797)]