20090420991

素因数分解:

$3^2\times {\mathrm{53}}^1\times {\mathrm{827}}^1\times {\mathrm{50929}}^1$

素因数の和:51815

約数の個数: 24

約数和(自身を含む): 29603368080

約数和(自身を除く): 9512947089

約数列:

[1, 3, 9, 53, 159, 477, 827, 2481, 7443, 43831, 50929, 131493, 152787, 394479, 458361, 2699237, 8097711, 24293133, 42118283, 126354849, 379064547, 2232268999, 6696806997, 20090420991]

約数ペア:

[(1, 20090420991), (3, 6696806997), (9, 2232268999), (53, 379064547), (159, 126354849), (477, 42118283), (827, 24293133), (2481, 8097711), (7443, 2699237), (43831, 458361), (50929, 394479), (131493, 152787)]