20648889338

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{409}}^1\times {\mathrm{29803}}^1$

素因数の和:30243

約数の個数: 48

約数和(自身を含む): 39005090880

約数和(自身を除く): 18356201542

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 409, 818, 847, 1694, 2863, 4499, 5726, 8998, 29803, 31493, 49489, 59606, 62986, 98978, 208621, 327833, 346423, 417242, 655666, 692846, 2294831, 3606163, 4589662, 7212326, 12189427, 24378854, 25243141, 50486282, 85325989, 134083697, 170651978, 268167394, 938585879, 1474920667, 1877171758, 2949841334, 10324444669, 20648889338]

約数ペア:

[(1, 20648889338), (2, 10324444669), (7, 2949841334), (11, 1877171758), (14, 1474920667), (22, 938585879), (77, 268167394), (121, 170651978), (154, 134083697), (242, 85325989), (409, 50486282), (818, 25243141), (847, 24378854), (1694, 12189427), (2863, 7212326), (4499, 4589662), (5726, 3606163), (8998, 2294831), (29803, 692846), (31493, 655666), (49489, 417242), (59606, 346423), (62986, 327833), (98978, 208621)]