20617384

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1259}}^1$

素因数の和:1377

約数の個数: 32

約数和(自身を含む): 40824000

約数和(自身を除く): 20206616

約数列:

[1, 2, 4, 8, 23, 46, 89, 92, 178, 184, 356, 712, 1259, 2047, 2518, 4094, 5036, 8188, 10072, 16376, 28957, 57914, 112051, 115828, 224102, 231656, 448204, 896408, 2577173, 5154346, 10308692, 20617384]

約数ペア:

[(1, 20617384), (2, 10308692), (4, 5154346), (8, 2577173), (23, 896408), (46, 448204), (89, 231656), (92, 224102), (178, 115828), (184, 112051), (356, 57914), (712, 28957), (1259, 16376), (2047, 10072), (2518, 8188), (4094, 5036)]