20565006

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{6359}}^1$

素因数の和:6389

約数の個数: 48

約数和(自身を含む): 52202880

約数和(自身を除く): 31637874

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 49, 66, 77, 98, 147, 154, 231, 294, 462, 539, 1078, 1617, 3234, 6359, 12718, 19077, 38154, 44513, 69949, 89026, 133539, 139898, 209847, 267078, 311591, 419694, 489643, 623182, 934773, 979286, 1468929, 1869546, 2937858, 3427501, 6855002, 10282503, 20565006]

約数ペア:

[(1, 20565006), (2, 10282503), (3, 6855002), (6, 3427501), (7, 2937858), (11, 1869546), (14, 1468929), (21, 979286), (22, 934773), (33, 623182), (42, 489643), (49, 419694), (66, 311591), (77, 267078), (98, 209847), (147, 139898), (154, 133539), (231, 89026), (294, 69949), (462, 44513), (539, 38154), (1078, 19077), (1617, 12718), (3234, 6359)]