20979308980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{346079}}^1$

素因数の和:346528

約数の個数: 48

約数和(自身を含む): 50466769920

約数和(自身を除く): 29487460940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 433, 866, 1732, 2165, 3031, 4330, 6062, 8660, 12124, 15155, 30310, 60620, 346079, 692158, 1384316, 1730395, 2422553, 3460790, 4845106, 6921580, 9690212, 12112765, 24225530, 48451060, 149852207, 299704414, 599408828, 749261035, 1048965449, 1498522070, 2097930898, 2997044140, 4195861796, 5244827245, 10489654490, 20979308980]

約数ペア:

[(1, 20979308980), (2, 10489654490), (4, 5244827245), (5, 4195861796), (7, 2997044140), (10, 2097930898), (14, 1498522070), (20, 1048965449), (28, 749261035), (35, 599408828), (70, 299704414), (140, 149852207), (433, 48451060), (866, 24225530), (1732, 12112765), (2165, 9690212), (3031, 6921580), (4330, 4845106), (6062, 3460790), (8660, 2422553), (12124, 1730395), (15155, 1384316), (30310, 692158), (60620, 346079)]