20498170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3803}}^1$

素因数の和:3835

約数の個数: 48

約数和(自身を含む): 46834848

約数和(自身を除く): 26336678

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 245, 385, 490, 539, 770, 1078, 2695, 3803, 5390, 7606, 19015, 26621, 38030, 41833, 53242, 83666, 133105, 186347, 209165, 266210, 292831, 372694, 418330, 585662, 931735, 1464155, 1863470, 2049817, 2928310, 4099634, 10249085, 20498170]

約数ペア:

[(1, 20498170), (2, 10249085), (5, 4099634), (7, 2928310), (10, 2049817), (11, 1863470), (14, 1464155), (22, 931735), (35, 585662), (49, 418330), (55, 372694), (70, 292831), (77, 266210), (98, 209165), (110, 186347), (154, 133105), (245, 83666), (385, 53242), (490, 41833), (539, 38030), (770, 26621), (1078, 19015), (2695, 7606), (3803, 5390)]