20172720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{84053}}^1$

素因数の和:84069

約数の個数: 40

約数和(自身を含む): 62536176

約数和(自身を除く): 42363456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 84053, 168106, 252159, 336212, 420265, 504318, 672424, 840530, 1008636, 1260795, 1344848, 1681060, 2017272, 2521590, 3362120, 4034544, 5043180, 6724240, 10086360, 20172720]

約数ペア:

[(1, 20172720), (2, 10086360), (3, 6724240), (4, 5043180), (5, 4034544), (6, 3362120), (8, 2521590), (10, 2017272), (12, 1681060), (15, 1344848), (16, 1260795), (20, 1008636), (24, 840530), (30, 672424), (40, 504318), (48, 420265), (60, 336212), (80, 252159), (120, 168106), (240, 84053)]