20793010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2137}}^1$

素因数の和:2290

約数の個数: 32

約数和(自身を含む): 43102080

約数和(自身を除く): 22309070

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 139, 278, 695, 973, 1390, 1946, 2137, 4274, 4865, 9730, 10685, 14959, 21370, 29918, 74795, 149590, 297043, 594086, 1485215, 2079301, 2970430, 4158602, 10396505, 20793010]

約数ペア:

[(1, 20793010), (2, 10396505), (5, 4158602), (7, 2970430), (10, 2079301), (14, 1485215), (35, 594086), (70, 297043), (139, 149590), (278, 74795), (695, 29918), (973, 21370), (1390, 14959), (1946, 10685), (2137, 9730), (4274, 4865)]