20780490052

素因数分解:

$2^2\times 7^1\times {\mathrm{5059}}^1\times {\mathrm{146701}}^1$

素因数の和:151771

約数の個数: 24

約数和(自身を含む): 41569478720

約数和(自身を除く): 20788988668

約数列:

[1, 2, 4, 7, 14, 28, 5059, 10118, 20236, 35413, 70826, 141652, 146701, 293402, 586804, 1026907, 2053814, 4107628, 742160359, 1484320718, 2968641436, 5195122513, 10390245026, 20780490052]

約数ペア:

[(1, 20780490052), (2, 10390245026), (4, 5195122513), (7, 2968641436), (14, 1484320718), (28, 742160359), (5059, 4107628), (10118, 2053814), (20236, 1026907), (35413, 586804), (70826, 293402), (141652, 146701)]