20871036130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{9617989}}^1$

素因数の和:9618034

約数の個数: 32

約数和(自身を含む): 44319697920

約数和(自身を除く): 23448661790

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 9617989, 19235978, 48089945, 67325923, 96179890, 134651846, 298157659, 336629615, 596315318, 673259230, 1490788295, 2087103613, 2981576590, 4174207226, 10435518065, 20871036130]

約数ペア:

[(1, 20871036130), (2, 10435518065), (5, 4174207226), (7, 2981576590), (10, 2087103613), (14, 1490788295), (31, 673259230), (35, 596315318), (62, 336629615), (70, 298157659), (155, 134651846), (217, 96179890), (310, 67325923), (434, 48089945), (1085, 19235978), (2170, 9617989)]