20222487280

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1818569}}^1$

素因数の和:1818721

約数の個数: 40

約数和(自身を含む): 47355562800

約数和(自身を除く): 27133075520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1390, 2224, 2780, 5560, 11120, 1818569, 3637138, 7274276, 9092845, 14548552, 18185690, 29097104, 36371380, 72742760, 145485520, 252781091, 505562182, 1011124364, 1263905455, 2022248728, 2527810910, 4044497456, 5055621820, 10111243640, 20222487280]

約数ペア:

[(1, 20222487280), (2, 10111243640), (4, 5055621820), (5, 4044497456), (8, 2527810910), (10, 2022248728), (16, 1263905455), (20, 1011124364), (40, 505562182), (80, 252781091), (139, 145485520), (278, 72742760), (556, 36371380), (695, 29097104), (1112, 18185690), (1390, 14548552), (2224, 9092845), (2780, 7274276), (5560, 3637138), (11120, 1818569)]