20005264

素因数分解:

$2^4\times {\mathrm{167}}^1\times {\mathrm{7487}}^1$

素因数の和:7662

約数の個数: 20

約数和(自身を含む): 38997504

約数和(自身を除く): 18992240

約数列:

[1, 2, 4, 8, 16, 167, 334, 668, 1336, 2672, 7487, 14974, 29948, 59896, 119792, 1250329, 2500658, 5001316, 10002632, 20005264]

約数ペア:

[(1, 20005264), (2, 10002632), (4, 5001316), (8, 2500658), (16, 1250329), (167, 119792), (334, 59896), (668, 29948), (1336, 14974), (2672, 7487)]