20227917788

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{20473601}}^1$

素因数の和:20473637

約数の個数: 24

約数和(自身を含む): 40128259920

約数和(自身を除く): 19900342132

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 20473601, 40947202, 81894404, 266156813, 388998419, 532313626, 777996838, 1064627252, 1555993676, 5056979447, 10113958894, 20227917788]

約数ペア:

[(1, 20227917788), (2, 10113958894), (4, 5056979447), (13, 1555993676), (19, 1064627252), (26, 777996838), (38, 532313626), (52, 388998419), (76, 266156813), (247, 81894404), (494, 40947202), (988, 20473601)]