20350990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^4\times {\mathrm{139}}^1$

素因数の和:190

約数の個数: 40

約数和(自身を含む): 40584600

約数和(自身を除く): 20233610

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 139, 242, 278, 605, 695, 1210, 1331, 1390, 1529, 2662, 3058, 6655, 7645, 13310, 14641, 15290, 16819, 29282, 33638, 73205, 84095, 146410, 168190, 185009, 370018, 925045, 1850090, 2035099, 4070198, 10175495, 20350990]

約数ペア:

[(1, 20350990), (2, 10175495), (5, 4070198), (10, 2035099), (11, 1850090), (22, 925045), (55, 370018), (110, 185009), (121, 168190), (139, 146410), (242, 84095), (278, 73205), (605, 33638), (695, 29282), (1210, 16819), (1331, 15290), (1390, 14641), (1529, 13310), (2662, 7645), (3058, 6655)]