20288944

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4241}}^1$

素因数の和:4285

約数の個数: 40

約数和(自身を含む): 44184672

約数和(自身を除く): 23895728

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 46, 52, 92, 104, 184, 208, 299, 368, 598, 1196, 2392, 4241, 4784, 8482, 16964, 33928, 55133, 67856, 97543, 110266, 195086, 220532, 390172, 441064, 780344, 882128, 1268059, 1560688, 2536118, 5072236, 10144472, 20288944]

約数ペア:

[(1, 20288944), (2, 10144472), (4, 5072236), (8, 2536118), (13, 1560688), (16, 1268059), (23, 882128), (26, 780344), (46, 441064), (52, 390172), (92, 220532), (104, 195086), (184, 110266), (208, 97543), (299, 67856), (368, 55133), (598, 33928), (1196, 16964), (2392, 8482), (4241, 4784)]