20425874

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4517}}^1$

素因数の和:4562

約数の個数: 32

約数和(自身を含む): 39035520

約数和(自身を除く): 18609646

約数列:

[1, 2, 7, 14, 17, 19, 34, 38, 119, 133, 238, 266, 323, 646, 2261, 4517, 4522, 9034, 31619, 63238, 76789, 85823, 153578, 171646, 537523, 600761, 1075046, 1201522, 1458991, 2917982, 10212937, 20425874]

約数ペア:

[(1, 20425874), (2, 10212937), (7, 2917982), (14, 1458991), (17, 1201522), (19, 1075046), (34, 600761), (38, 537523), (119, 171646), (133, 153578), (238, 85823), (266, 76789), (323, 63238), (646, 31619), (2261, 9034), (4517, 4522)]