20661648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{61493}}^1$

素因数の和:61511

約数の個数: 40

約数和(自身を含む): 61002048

約数和(自身を除く): 40340400

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 61493, 122986, 184479, 245972, 368958, 430451, 491944, 737916, 860902, 983888, 1291353, 1475832, 1721804, 2582706, 2951664, 3443608, 5165412, 6887216, 10330824, 20661648]

約数ペア:

[(1, 20661648), (2, 10330824), (3, 6887216), (4, 5165412), (6, 3443608), (7, 2951664), (8, 2582706), (12, 1721804), (14, 1475832), (16, 1291353), (21, 983888), (24, 860902), (28, 737916), (42, 491944), (48, 430451), (56, 368958), (84, 245972), (112, 184479), (168, 122986), (336, 61493)]