20945272

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{1699}}^1$

素因数の和:1795

約数の個数: 32

約数和(自身を含む): 41616000

約数和(自身を除く): 20670728

約数列:

[1, 2, 4, 8, 23, 46, 67, 92, 134, 184, 268, 536, 1541, 1699, 3082, 3398, 6164, 6796, 12328, 13592, 39077, 78154, 113833, 156308, 227666, 312616, 455332, 910664, 2618159, 5236318, 10472636, 20945272]

約数ペア:

[(1, 20945272), (2, 10472636), (4, 5236318), (8, 2618159), (23, 910664), (46, 455332), (67, 312616), (92, 227666), (134, 156308), (184, 113833), (268, 78154), (536, 39077), (1541, 13592), (1699, 12328), (3082, 6796), (3398, 6164)]