20871302427

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{1493}}^1\times {\mathrm{9769}}^1$

素因数の和:11324

約数の個数: 32

約数和(自身を含む): 31528180800

約数和(自身を除く): 10656878373

約数列:

[1, 3, 9, 27, 53, 159, 477, 1431, 1493, 4479, 9769, 13437, 29307, 40311, 79129, 87921, 237387, 263763, 517757, 712161, 1553271, 2136483, 4659813, 13979439, 14585117, 43755351, 131266053, 393798159, 773011201, 2319033603, 6957100809, 20871302427]

約数ペア:

[(1, 20871302427), (3, 6957100809), (9, 2319033603), (27, 773011201), (53, 393798159), (159, 131266053), (477, 43755351), (1431, 14585117), (1493, 13979439), (4479, 4659813), (9769, 2136483), (13437, 1553271), (29307, 712161), (40311, 517757), (79129, 263763), (87921, 237387)]