20692144

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1429

約数の個数: 40

約数和(自身を含む): 44260560

約数和(自身を除く): 23568416

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1321, 1424, 1958, 2642, 3916, 5284, 7832, 10568, 14531, 15664, 21136, 29062, 58124, 116248, 117569, 232496, 235138, 470276, 940552, 1293259, 1881104, 2586518, 5173036, 10346072, 20692144]

約数ペア:

[(1, 20692144), (2, 10346072), (4, 5173036), (8, 2586518), (11, 1881104), (16, 1293259), (22, 940552), (44, 470276), (88, 235138), (89, 232496), (176, 117569), (178, 116248), (356, 58124), (712, 29062), (979, 21136), (1321, 15664), (1424, 14531), (1958, 10568), (2642, 7832), (3916, 5284)]