20883464

素因数分解:

$2^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{4493}}^1$

素因数の和:4589

約数の個数: 32

約数和(自身を含む): 45299520

約数和(自身を除く): 24416056

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 83, 166, 332, 581, 664, 1162, 2324, 4493, 4648, 8986, 17972, 31451, 35944, 62902, 125804, 251608, 372919, 745838, 1491676, 2610433, 2983352, 5220866, 10441732, 20883464]

約数ペア:

[(1, 20883464), (2, 10441732), (4, 5220866), (7, 2983352), (8, 2610433), (14, 1491676), (28, 745838), (56, 372919), (83, 251608), (166, 125804), (332, 62902), (581, 35944), (664, 31451), (1162, 17972), (2324, 8986), (4493, 4648)]