20796850928

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4318283}}^1$

素因数の和:4318341

約数の個数: 40

約数和(自身を含む): 47121115008

約数和(自身を除く): 26324264080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 172, 301, 344, 602, 688, 1204, 2408, 4816, 4318283, 8636566, 17273132, 30227981, 34546264, 60455962, 69092528, 120911924, 185686169, 241823848, 371372338, 483647696, 742744676, 1299803183, 1485489352, 2599606366, 2970978704, 5199212732, 10398425464, 20796850928]

約数ペア:

[(1, 20796850928), (2, 10398425464), (4, 5199212732), (7, 2970978704), (8, 2599606366), (14, 1485489352), (16, 1299803183), (28, 742744676), (43, 483647696), (56, 371372338), (86, 241823848), (112, 185686169), (172, 120911924), (301, 69092528), (344, 60455962), (602, 34546264), (688, 30227981), (1204, 17273132), (2408, 8636566), (4816, 4318283)]