20045154969

素因数分解:

$3^4\times 7^1\times {\mathrm{2833}}^1\times {\mathrm{12479}}^1$

素因数の和:15331

約数の個数: 40

約数和(自身を含む): 34236533760

約数和(自身を除く): 14191378791

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2833, 8499, 12479, 19831, 25497, 37437, 59493, 76491, 87353, 112311, 178479, 229473, 262059, 336933, 535437, 786177, 1010799, 1606311, 2358531, 7075593, 35353007, 106059021, 247471049, 318177063, 742413147, 954531189, 2227239441, 2863593567, 6681718323, 20045154969]

約数ペア:

[(1, 20045154969), (3, 6681718323), (7, 2863593567), (9, 2227239441), (21, 954531189), (27, 742413147), (63, 318177063), (81, 247471049), (189, 106059021), (567, 35353007), (2833, 7075593), (8499, 2358531), (12479, 1606311), (19831, 1010799), (25497, 786177), (37437, 535437), (59493, 336933), (76491, 262059), (87353, 229473), (112311, 178479)]