20165961

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{47}}^2\times {\mathrm{179}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 29250720

約数和(自身を除く): 9084759

約数列:

[1, 3, 17, 47, 51, 141, 179, 537, 799, 2209, 2397, 3043, 6627, 8413, 9129, 25239, 37553, 112659, 143021, 395411, 429063, 1186233, 6721987, 20165961]

約数ペア:

[(1, 20165961), (3, 6721987), (17, 1186233), (47, 429063), (51, 395411), (141, 143021), (179, 112659), (537, 37553), (799, 25239), (2209, 9129), (2397, 8413), (3043, 6627)]