20965658

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 38392704

約数和(自身を除く): 17427046

約数列:

[1, 2, 7, 14, 17, 34, 119, 137, 238, 274, 643, 959, 1286, 1918, 2329, 4501, 4658, 9002, 10931, 16303, 21862, 32606, 76517, 88091, 153034, 176182, 616637, 1233274, 1497547, 2995094, 10482829, 20965658]

約数ペア:

[(1, 20965658), (2, 10482829), (7, 2995094), (14, 1497547), (17, 1233274), (34, 616637), (119, 176182), (137, 153034), (238, 88091), (274, 76517), (643, 32606), (959, 21862), (1286, 16303), (1918, 10931), (2329, 9002), (4501, 4658)]