20403894

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{69401}}^1$

素因数の和:69420

約数の個数: 24

約数和(自身を含む): 47470968

約数和(自身を除く): 27067074

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 69401, 138802, 208203, 416406, 485807, 971614, 1457421, 2914842, 3400649, 6801298, 10201947, 20403894]

約数ペア:

[(1, 20403894), (2, 10201947), (3, 6801298), (6, 3400649), (7, 2914842), (14, 1457421), (21, 971614), (42, 485807), (49, 416406), (98, 208203), (147, 138802), (294, 69401)]