20041489

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 22220800

約数和(自身を除く): 2179311

約数列:

[1, 13, 61, 127, 199, 793, 1651, 2587, 7747, 12139, 25273, 100711, 157807, 328549, 1541653, 20041489]

約数ペア:

[(1, 20041489), (13, 1541653), (61, 328549), (127, 157807), (199, 100711), (793, 25273), (1651, 12139), (2587, 7747)]