20343833349

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{2683529}}^1$

素因数の和:2683577

約数の個数: 24

約数和(自身を含む): 32717597760

約数和(自身を除く): 12373764411

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 2683529, 8050587, 18784703, 50987051, 56354109, 152961153, 356909357, 968753969, 1070728071, 2906261907, 6781277783, 20343833349]

約数ペア:

[(1, 20343833349), (3, 6781277783), (7, 2906261907), (19, 1070728071), (21, 968753969), (57, 356909357), (133, 152961153), (361, 56354109), (399, 50987051), (1083, 18784703), (2527, 8050587), (7581, 2683529)]