20270511

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{367}}^1$

素因数の和:428

約数の個数: 36

約数和(自身を含む): 32808672

約数和(自身を除く): 12538161

約数列:

[1, 3, 9, 17, 19, 51, 57, 153, 171, 323, 361, 367, 969, 1083, 1101, 2907, 3249, 3303, 6137, 6239, 6973, 18411, 18717, 20919, 55233, 56151, 62757, 118541, 132487, 355623, 397461, 1066869, 1192383, 2252279, 6756837, 20270511]

約数ペア:

[(1, 20270511), (3, 6756837), (9, 2252279), (17, 1192383), (19, 1066869), (51, 397461), (57, 355623), (153, 132487), (171, 118541), (323, 62757), (361, 56151), (367, 55233), (969, 20919), (1083, 18717), (1101, 18411), (2907, 6973), (3249, 6239), (3303, 6137)]