20826178

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{5087}}^1$

素因数の和:5201

約数の個数: 16

約数和(自身を含む): 32970240

約数和(自身を除く): 12144062

約数列:

[1, 2, 23, 46, 89, 178, 2047, 4094, 5087, 10174, 117001, 234002, 452743, 905486, 10413089, 20826178]

約数ペア:

[(1, 20826178), (2, 10413089), (23, 905486), (46, 452743), (89, 234002), (178, 117001), (2047, 10174), (4094, 5087)]