16920784

素因数分解:

$2^4\times {\mathrm{173}}^1\times {\mathrm{6113}}^1$

素因数の和:6294

約数の個数: 20

約数和(自身を含む): 32978916

約数和(自身を除く): 16058132

約数列:

[1, 2, 4, 8, 16, 173, 346, 692, 1384, 2768, 6113, 12226, 24452, 48904, 97808, 1057549, 2115098, 4230196, 8460392, 16920784]

約数ペア:

[(1, 16920784), (2, 8460392), (4, 4230196), (8, 2115098), (16, 1057549), (173, 97808), (346, 48904), (692, 24452), (1384, 12226), (2768, 6113)]