20166904

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{6983}}^1$

素因数の和:7027

約数の個数: 24

約数和(自身を含む): 39913560

約数和(自身を除く): 19746656

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 361, 722, 1444, 2888, 6983, 13966, 27932, 55864, 132677, 265354, 530708, 1061416, 2520863, 5041726, 10083452, 20166904]

約数ペア:

[(1, 20166904), (2, 10083452), (4, 5041726), (8, 2520863), (19, 1061416), (38, 530708), (76, 265354), (152, 132677), (361, 55864), (722, 27932), (1444, 13966), (2888, 6983)]