20699822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:644

約数の個数: 32

約数和(自身を含む): 36789984

約数和(自身を除く): 16090162

約数列:

[1, 2, 11, 13, 22, 26, 143, 157, 286, 314, 461, 922, 1727, 2041, 3454, 4082, 5071, 5993, 10142, 11986, 22451, 44902, 65923, 72377, 131846, 144754, 796147, 940901, 1592294, 1881802, 10349911, 20699822]

約数ペア:

[(1, 20699822), (2, 10349911), (11, 1881802), (13, 1592294), (22, 940901), (26, 796147), (143, 144754), (157, 131846), (286, 72377), (314, 65923), (461, 44902), (922, 22451), (1727, 11986), (2041, 10142), (3454, 5993), (4082, 5071)]