20645168

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{56101}}^1$

素因数の和:56132

約数の個数: 20

約数和(自身を含む): 41739888

約数和(自身を除く): 21094720

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 56101, 112202, 224404, 448808, 897616, 1290323, 2580646, 5161292, 10322584, 20645168]

約数ペア:

[(1, 20645168), (2, 10322584), (4, 5161292), (8, 2580646), (16, 1290323), (23, 897616), (46, 448808), (92, 224404), (184, 112202), (368, 56101)]