20966372

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{2591}}^1$

素因数の和:2636

約数の個数: 36

約数和(自身を含む): 44561664

約数和(自身を除く): 23595292

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 289, 476, 578, 1156, 2023, 2591, 4046, 5182, 8092, 10364, 18137, 36274, 44047, 72548, 88094, 176188, 308329, 616658, 748799, 1233316, 1497598, 2995196, 5241593, 10483186, 20966372]

約数ペア:

[(1, 20966372), (2, 10483186), (4, 5241593), (7, 2995196), (14, 1497598), (17, 1233316), (28, 748799), (34, 616658), (68, 308329), (119, 176188), (238, 88094), (289, 72548), (476, 44047), (578, 36274), (1156, 18137), (2023, 10364), (2591, 8092), (4046, 5182)]