20489028

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{243917}}^1$

素因数の和:243931

約数の個数: 24

約数和(自身を含む): 54637632

約数和(自身を除く): 34148604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 243917, 487834, 731751, 975668, 1463502, 1707419, 2927004, 3414838, 5122257, 6829676, 10244514, 20489028]

約数ペア:

[(1, 20489028), (2, 10244514), (3, 6829676), (4, 5122257), (6, 3414838), (7, 2927004), (12, 1707419), (14, 1463502), (21, 975668), (28, 731751), (42, 487834), (84, 243917)]