20328392

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{9811}}^1$

素因数の和:9861

約数の個数: 32

約数和(自身を含む): 44742720

約数和(自身を除く): 24414328

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 9811, 19622, 39244, 68677, 78488, 137354, 274708, 363007, 549416, 726014, 1452028, 2541049, 2904056, 5082098, 10164196, 20328392]

約数ペア:

[(1, 20328392), (2, 10164196), (4, 5082098), (7, 2904056), (8, 2541049), (14, 1452028), (28, 726014), (37, 549416), (56, 363007), (74, 274708), (148, 137354), (259, 78488), (296, 68677), (518, 39244), (1036, 19622), (2072, 9811)]