20444307856

素因数分解:

$2^4\times 7^1\times {\mathrm{673}}^1\times {\mathrm{271231}}^1$

素因数の和:271919

約数の個数: 40

約数和(自身を含む): 45336971264

約数和(自身を除く): 24892663408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 673, 1346, 2692, 4711, 5384, 9422, 10768, 18844, 37688, 75376, 271231, 542462, 1084924, 1898617, 2169848, 3797234, 4339696, 7594468, 15188936, 30377872, 182538463, 365076926, 730153852, 1277769241, 1460307704, 2555538482, 2920615408, 5111076964, 10222153928, 20444307856]

約数ペア:

[(1, 20444307856), (2, 10222153928), (4, 5111076964), (7, 2920615408), (8, 2555538482), (14, 1460307704), (16, 1277769241), (28, 730153852), (56, 365076926), (112, 182538463), (673, 30377872), (1346, 15188936), (2692, 7594468), (4711, 4339696), (5384, 3797234), (9422, 2169848), (10768, 1898617), (18844, 1084924), (37688, 542462), (75376, 271231)]